Title: Semester 2 Final Exam Study Extravaganza!
1Semester 2 Final Exam Study Extravaganza!
- Adapting your study guide into many questions to
help focus your study.
2Chapter 10Cell Growth and Division
31. As a cell becomes larger, its
- Volume increases faster than its surface area.
- Surface area increases faster than its volume.
- Volume increases, but its surface area stays the
same. - Surface area stays the same, but its volume
increases.
41. As a cell becomes larger, its
- Volume increases faster than its surface area.
- Surface area increases faster than its volume.
- Volume increases, but its surface area stays the
same. - Surface area stays the same, but its volume
increases. - Think about your Great Divide Lab Results!
52. As a cell grows, it
- Places more demands on its DNA.
- Uses up food and oxygen more quickly.
- Has more trouble moving enough materials across
its cell membrane. - All of the above.
62. As a cell grows, it
- Places more demands on its DNA.
- Uses up food and oxygen more quickly.
- Has more trouble moving enough materials across
its cell membrane. - All of the above.
73. If the surface area of a cell increases 100
times, its volume increases about
- 5 times.
- 10 times.
- 100 times.
- 1000 times.
83. If the surface area of a cell increases 100
times, its volume increases about
- 5 times.
- 10 times.
- 100 times.
- 1000 times.
- 1 surface area unit 10 volume units so
- Surface area number x 10 volume
94. The rate at which wastes are produced by a
cell depends on the cells
- Ratio of surface area to volume.
- Environment.
- Volume.
- Surface area.
104. The rate at which wastes are produced by a
cell depends on the cells
- Ratio of surface area to volume.
- Environment.
- Volume.
- Surface area.
115. All of the following are problems that growth
causes for cells EXCEPT
- DNA overload.
- Excess oxygen.
- Obtaining enough food.
- Expelling wastes.
125. All of the following are problems that growth
causes for cells EXCEPT
- DNA overload.
- Excess oxygen.
- Obtaining enough food.
- Expelling wastes.
136. Compared to small cells, large cells have more
trouble
- Dividing.
- Producing daughter cells.
- Moving needed materials in and waste products
out. - Making copies of their DNA.
146. Compared to small cells, large cells have more
trouble
- Dividing.
- Producing daughter cells.
- Moving needed materials in and waste products
out. - Making copies of their DNA.
157. The process by which a cell divides into two
daughter cells is called
- Cell division.
- Metaphase.
- Interphase.
- Mitosis.
167. The process by which a cell divides into two
daughter cells is called
- Cell division.
- Metaphase.
- Interphase.
- Mitosis.
178. Which of the following is NOT a way that cell
division solves the problems of cell growth?
- Cell division provides each daughter cell with
its own copy of DNA. - Cell division increases the mass of the original
cell. - Cell division increases the surface area of the
original cell. - Cell division reduces the original cells volume.
188. Which of the following is NOT a way that cell
division solves the problems of cell growth?
- Cell division provides each daughter cell with
its own copy of DNA. - Cell division increases the mass of the original
cell. - Cell division increases the surface area of the
original cell. - Cell division reduces the original cells volume.
199. If a normal cell divides, you can assume that
- Its surface area has become larger than its
volume. - Its volume has become larger than its surface
area. - It has grown to its full size.
- It has grown too large to meet its needs.
209. If a normal cell divides, you can assume that
- Its surface area has become larger than its
volume. - Its volume has become larger than its surface
area. - It has grown to its full size.
- It has grown too large to meet its needs.
2110. If a cells DNA were not copied before cell
division, the cell could
- Have a DNA overload.
- Become cancerous.
- Fail to exchange materials.
- Divide.
2210. If a cells DNA were not copied before cell
division, the cell could
- Have a DNA overload.
- Become cancerous.
- Fail to exchange materials.
- Divide.
2311. Which of the following happens when a cell
divides?
- The cells volume increases.
- It becomes more difficult for the cell to get
enough oxygen and nutrients. - The cell has DNA overload.
- Each daughter cell receives its own copy of the
parent cells DNA.
2411. Which of the following happens when a cell
divides?
- The cells volume increases.
- It becomes more difficult for the cell to get
enough oxygen and nutrients. - The cell has DNA overload.
- Each daughter cell receives its own copy of the
parent cells DNA.
2512. When during the cell cycle are chromosomes
visible?
- Only during interphase.
- Only when they are being replicated.
- Only during cell division.
- Only during the G1 phase.
2612. When during the cell cycle are chromosomes
visible?
- Only during interphase.
- Only when they are being replicated.
- Only during cell division.
- Only during the G1 phase.
2713. Which of the following is a phase in the cell
cycle?
- G1 phase.
- G2 phase.
- M phase.
- All of the above.
2813. Which of the following is a phase in the cell
cycle?
- G1 phase.
- G2 phase.
- M phase.
- All of the above.
2914. Which pair is correct?
- G1 phase, DNA replication.
- G2 phase, preparation for mitosis.
- S phase, cell division
- M phase, cell growth
3014. Which pair is correct?
- G1 phase, DNA replication.
- G2 phase, preparation for mitosis.
- S phase, cell division
- M phase, cell growth
3115. When during the cell cycle is a cells DNA
replicated?
- G1 phase.
- G2 phase.
- S phase.
- M phase.
3215. When during the cell cycle is a cells DNA
replicated?
- G1 phase.
- G2 phase.
- S phase.
- M phase.
3316. Which event occurs during interphase?
- The cell grows.
- Centrioles appear.
- Spindle fibers begin to form.
- Centromeres divide.
3416. Which event occurs during interphase?
- The cell grows.
- Centrioles appear.
- Spindle fibers begin to form.
- Centromeres divide.
3517. Which of the following is a correct statement
about the events of the cell cycle?
- Little happens during the G1 and G2 phases.
- DNA replicates during cytokinesis.
- The M phase is usually the longest phase.
- Interphase consists of the G1, S, and G2 phases.
3617. Which of the following is a correct statement
about the events of the cell cycle?
- Little happens during the G1 and G2 phases.
- DNA replicates during cytokinesis.
- The M phase is usually the longest phase.
- Interphase consists of the G1, S, and G2 phases.
3718. Which of the following is NOT a correct
statement about the events of the cell cycle?
- Interphase is usually the longest phase.
- DNA replicates during the S phase.
- Cell division ends with cytokinesis.
- The cell grows during the G2 phase.
3818. Which of the following is NOT a correct
statement about the events of the cell cycle?
- Interphase is usually the longest phase.
- DNA replicates during the S phase.
- Cell division ends with cytokinesis.
- The cell grows during the G2 phase.
3919. Cell division is represented in the figure
provided by the letter...
- A.
- B.
- C.
- D.
4019. Cell division is represented in the figure
provided by the letter...
- A.
- B.
- C.
- D.
4120. The cell cycle is the
- Series of events that cells go through as they
grow and divide. - Period of time between the birth and the death of
a cell. - Time from prophase until cytokinesis.
- Time it takes for one cell to undergo mitosis.
4220. The cell cycle is the
- Series of events that cells go through as they
grow and divide. - Period of time between the birth and the death of
a cell. - Time from prophase until cytokinesis.
- Time it takes for one cell to undergo mitosis.
4321. Which of the following is a phase of mitosis?
- Cytokinesis.
- Interphase.
- Prophase.
- S phase.
4421. Which of the following is a phase of mitosis?
- Cytokinesis.
- Interphase.
- Prophase.
- S phase.
4522. The first phase of mitosis is called
- Prophase.
- Anaphase.
- Metaphase.
- Interphase.
4622. The first phase of mitosis is called
- Prophase.
- Anaphase.
- Metaphase.
- Interphase.
4723. During which phase of mitosis do the
chromosomes line up along the middle of the
dividing cell?
- Prophase.
- Telophase.
- Metaphase.
- Anaphase.
4823. During which phase of mitosis do the
chromosomes line up along the middle of the
dividing cell?
- Prophase.
- Telophase.
- Metaphase.
- Anaphase.
4924. Which of the following represents the phases
of mitosis in their proper sequence?
- Prophase, metaphase, anaphase, telophase.
- Interphase, prophase, metaphase, anaphase,
telophase. - Interphase, prophase, metaphase, telophase.
- Prophase, metaphase, anaphase, telophase,
ctyokinesis.
5024. Which of the following represents the phases
of mitosis in their proper sequence?
- Prophase, metaphase, anaphase, telophase.
- Interphase, prophase, metaphase, anaphase,
telophase. - Interphase, prophase, metaphase, telophase.
- Prophase, metaphase, anaphase, telophase,
ctyokinesis.
5125. What is the role of the spindle during
mitosis?
- It helps separate the chromosomes.
- It breaks down the nuclear membrane.
- It duplicates the DNA.
- It divides the cell in half.
5225. What is the role of the spindle during
mitosis?
- It helps separate the chromosomes.
- It breaks down the nuclear membrane.
- It duplicates the DNA.
- It divides the cell in half.
5326. One difference between cell division in plant
cells and in animal cells is that plant cells
have
- Centrioles.
- Centromeres.
- A cell plate.
- Chromatin.
5426. One difference between cell division in plant
cells and in animal cells is that plant cells
have
- Centrioles.
- Centromeres.
- A cell plate.
- Chromatin.
5527. During normal mitotic cell division, a parent
cell having 3 chromosomes will produce two
daughter cells, each containing
- One chromosome.
- Three chromosomes.
- Six chromosomes.
- Twelve chromosomes.
5627. During normal mitotic cell division, a parent
cell having 3 chromosomes will produce two
daughter cells, each containing
- One chromosome.
- Three chromosomes.
- Six chromosomes.
- Twelve chromosomes.
5728. What happens when cells come into contact
with other cells?
- They divide more quickly.
- They stop growing.
- They produce cyclins.
- They produce p53.
5828. What happens when cells come into contact
with other cells?
- They divide more quickly.
- They stop growing.
- They produce cyclins.
- They produce p53.
5929. Which of the following explains why normal
cells grown in a petri dish tend to stop growing
once they have covered the bottom of the dish?
- The cells lack cyclin.
- The petri dish inhibits cell growth.
- Contact with other cells stops cell growth.
- Most cells grown in petri dishes have a defective
p53.
6029. Which of the following explains why normal
cells grown in a petri dish tend to stop growing
once they have covered the bottom of the dish?
- The cells lack cyclin.
- The petri dish inhibits cell growth.
- Contact with other cells stops cell growth.
- Most cells grown in petri dishes have a defective
p53.
6130. Which of the following is an internal
regulator of the cell cycle?
- Cyclins.
- Growth factors.
- The mitotic spindle.
- Cancer cells.
6230. Which of the following is an internal
regulator of the cell cycle?
- Cyclins.
- Growth factors.
- The mitotic spindle.
- Cancer cells.
6331. Cancer cells form masses of cells called
- Tumors.
- Cyclins.
- Growth factors.
- P53.
6431. Cancer cells form masses of cells called
- Tumors.
- Cyclins.
- Growth factors.
- P53.
6532. What is a tumor?
- An accumulation of cyclins.
- A mass of cancer cells.
- The rapidly dividing cells found at the site of a
wound. - A defective p53 gene.
6632. What is a tumor?
- An accumulation of cyclins.
- A mass of cancer cells.
- The rapidly dividing cells found at the site of a
wound. - A defective p53 gene.
67Chapters 11 and 14Genetics
681. Gregor Mendel used pea plants to study
- Flowering.
- Gamete formation.
- The inheritance of traits.
- Cross-pollination.
691. Gregor Mendel used pea plants to study
- Flowering.
- Gamete formation.
- The inheritance of traits.
- Cross-pollination.
702. Offspring that result from crosses between
parents with different traits
- Are true-breeding.
- Make up the F2 generation.
- Make up the parental generation.
- Are called hybrids.
712. Offspring that result from crosses between
parents with different traits
- Are true-breeding.
- Make up the F2 generation.
- Make up the parental generation.
- Are called hybrids.
723. The chemical factors that determine traits are
called
- Alleles.
- Traits.
- Genes.
- Characters.
733. The chemical factors that determine traits are
called
- Alleles.
- Traits.
- Genes.
- Characters.
744. The principle of dominance states that
- All alleles are dominant.
- All alleles are recessive.
- Some alleles are dominant and others are
recessive. - Alleles are neither dominant nor recessive.
754. The principle of dominance states that
- All alleles are dominant.
- All alleles are recessive.
- Some alleles are dominant and others are
recessive. - Alleles are neither dominant nor recessive.
765. When Gregor Mendel crossed true-breeding tall
plants with true-breeding short plants, all the
offspring were tall because
- The allele for tall plants is recessive.
- The allele for short plants is dominant.
- The allele for tall plants is dominant.
- They were tree-breeding like their parents.
775. When Gregor Mendel crossed true-breeding tall
plants with true-breeding short plants, all the
offspring were tall because
- The allele for tall plants is recessive.
- The allele for short plants is dominant.
- The allele for tall plants is dominant.
- They were tree-breeding like their parents.
786. In the P generation, a tall plant was crossed
with a short plant. Short plants reappeared in
the F2 generation because
- Some of the F2 plants produced gametes that
carried the allele for shortness. - The allele for shortness is dominant.
- The allele for shortness and the allele for
tallness segregated when the F1 plants produced
gametes. - They inherited an allele for shortness from one
parent and an allele for tallness from the other
parent.
796. In the P generation, a tall plant was crossed
with a short plant. Short plants reappeared in
the F2 generation because
- Some of the F2 plants produced gametes that
carried the allele for shortness. - The allele for shortness is dominant.
- The allele for shortness and the allele for
tallness segregated when the F1 plants produced
gametes. - They inherited an allele for shortness from one
parent and an allele for tallness from the other
parent.
807. In the P generation, a tall plant was crossed
with a short plant. If alleles did not segregate
during gamete formation
- All of the F1 plants would be short.
- Some of the F1 plants would be tall and some
would be short. - All of the F2 would be short.
- All of the F2 plants would be tall.
817. In the P generation, a tall plant was crossed
with a short plant. If alleles did not segregate
during gamete formation
- All of the F1 plants would be short.
- Some of the F1 plants would be tall and some
would be short. - All of the F2 would be short.
- All of the F2 plants would be tall.
828. When you flip a coin, what is the probability
that it will come up tails?
- ½
- ¼
- 1/8
- 1
838. When you flip a coin, what is the probability
that it will come up tails?
- ½ ? Correct answer
- ¼
- 1/8
- 1
849. In the P generation, a tall plant is crossed
with a short plant. The probability that an F2
plant will be tall is
- 25
- 50
- 75
- 100
859. In the P generation, a tall plant is crossed
with a short plant. The probability that an F2
plant will be tall is
- 25
- 50
- 75 ? F2 generation not F1!!!
- 100
8610. Organisms that have two identical alleles for
a particular trait are said to be
- Hybrid.
- Homozygous.
- Heterozygous.
- Dominant.
8710. Organisms that have two identical alleles for
a particular trait are said to be
- Hybrid.
- Homozygous.
- Heterozygous.
- Dominant.
8811. The Punnett square in Figure 3 shows that the
gene for pea shape and the gene for pea color
- Assort independently.
- Are linked.
- Have the same alleles.
- Are always homozygous.
8911. The Punnett square in Figure 3 shows that the
gene for pea shape and the gene for pea color
- Assort independently.
- Are linked.
- Have the same alleles.
- Are always homozygous.
9012. How many different allele combinations would
be found in the gametes produced by a pea plant
who genotype was RrYY?
- 2
- 4
- 8
- 16
9112. How many different allele combinations would
be found in the gametes produced by a pea plant
who genotype was RrYY?
- 2 ? Correct answer (RY and rY only)
- 4
- 8
- 16
9213. Situations in which one allele for a gene is
not completely dominant over another allele for
that gene are called
- Multiple alleles
- Incomplete dominance.
- Polygenic inheritance.
- Multiple genes.
9313. Situations in which one allele for a gene is
not completely dominant over another allele for
that gene are called
- Multiple alleles
- Incomplete dominance.
- Polygenic inheritance.
- Multiple genes.
9414. A cross of a black chicken (BB) with a white
chicken (WW) produces all speckled offspring
(BBWW). This type of inheritance is known as
- Incomplete dominance.
- Polygenic inheritance.
- Codominance.
- Multiple alleles.
9514. A cross of a black chicken (BB) with a white
chicken (WW) produces all speckled offspring
(BBWW). This type of inheritance is known as
- Incomplete dominance.
- Polygenic inheritance.
- Codominance.
- Multiple alleles.
9615. Variation in human skin color is an example
of
- Incomplete dominance.
- Codominance.
- Polygenic traits.
- Multiple alleles.
9715. Variation in human skin color is an example
of
- Incomplete dominance.
- Codominance.
- Polygenic traits.
- Multiple alleles.
9816. A male and female bison that are both
heterozygous for normal skin pigmentation produce
an albino offspring (aa). Which of Mendels
principles explain(s) why the offspring is albino?
- Dominance only.
- Independent assortment only.
- Dominance and segregation.
- Segregation only.
9916. A male and female bison that are both
heterozygous for normal skin pigmentation produce
an albino offspring (aa). Which of Mendels
principles explain(s) why the offspring is albino?
- Dominance only.
- Independent assortment only.
- Dominance and segregation.
- Segregation only.
10017. Gametes are produced by the process of
- Mitosis.
- Meiosis.
- Crossing-over.
- Replication.
10117. Gametes are produced by the process of
- Mitosis.
- Meiosis.
- Crossing-over.
- Replication.
10218. Gametes have
- Homologous chromosomes.
- Twice the number of chromosomes found in body
cells. - Two sets of chromosomes.
- One allele for each gene.
10318. Gametes have
- Homologous chromosomes.
- Twice the number of chromosomes found in body
cells. - Two sets of chromosomes.
- One allele for each gene.
10419. Unlike mitosis, meiosis results in the
formation of
- Diploid cells.
- Haploid cells.
- 2N daughter cells.
- Body cells.
10519. Unlike mitosis, meiosis results in the
formation of
- Diploid cells.
- Haploid cells.
- 2N daughter cells.
- Body cells.
10620. Crossing-over rarely occurs in mitosis,
unlike meiosis. Which of the following is the
likely reason?
- Chromatids are not involved in mitosis.
- Tetrads rarely form during mitosis.
- A cell undergoing mitosis does not have
homologous chromosomes. - There is no prophase during mitosis.
10720. Crossing-over rarely occurs in mitosis,
unlike meiosis. Which of the following is the
likely reason?
- Chromatids are not involved in mitosis.
- Tetrads rarely form during mitosis.
- A cell undergoing mitosis does not have
homologous chromosomes. - There is no prophase during mitosis.
10821. If the gene for seed color and the gene for
seed shape in pea plants were linked
- All of Mendels F1 plants would have produced
wrinkled, green peas. - Mendels F2 plants would have exhibited a
different phenotype ratio for seed color and seed
shape. - Mendels F1 plants would have exhibited a
different phenotype ratio for seed color and seed
shape. - All of Mendels P plants would have produced
wrinkled, green peas.
10921. If the gene for seed color and the gene for
seed shape in pea plants were linked
- All of Mendels F1 plants would have produced
wrinkled, green peas. - Mendels F2 plants would have exhibited a
different phenotype ratio for seed color and seed
shape. - Mendels F1 plants would have exhibited a
different phenotype ratio for seed color and seed
shape. - All of Mendels P plants would have produced
wrinkled, green peas.
11022. The farther apart two genes are located on a
chromosome, the
- Less likely they are to be inherited together.
- More likely they are to be linked.
- Less likely they are to assort independently.
- Less likely they are to be separated by a
crossover during meiosis.
11122. The farther apart two genes are located on a
chromosome, the
- Less likely they are to be inherited together.
- More likely they are to be linked.
- Less likely they are to assort independently.
- Less likely they are to be separated by a
crossover during meiosis.
11223. On a normal human karyotype, how many
chromosomes are there?
- 2
- 23
- 44
- 46
11323. On a normal human karyotype, how many
chromosomes are there?
- 2
- 23
- 44
- 46 ? Correct answer
11424. Which of the following are shown on a
karyotype?
- Homologous chromosomes
- Sex chromosomes
- Autosomes
- All of the above.
11524. Which of the following are shown on a
karyotype?
- Homologous chromosomes
- Sex chromosomes
- Autosomes
- All of the above.
11625. In humans, a males has
- One X chromosome only.
- Two X chromosomes.
- One X chromosome and one Y chromosome.
- Two Y chromosomes.
11725. In humans, a males has
- One X chromosome only.
- Two X chromosomes.
- One X chromosome and one Y chromosome.
- Two Y chromosomes.
11826. Which of the following would you be least
likely to see in a pedigree?
- All of the symbols are unshaded.
- All of the symbols are shaded.
- All of the symbols are squares.
- About half of the symbols are circles.
11926. Which of the following would you be least
likely to see in a pedigree?
- All of the symbols are unshaded.
- All of the symbols are shaded.
- All of the symbols are squares.
- About half of the symbols are circles.
12027. If a man with blood type A and a woman with
blood type B produce an offspring, what might be
the offsprings blood type?
- AB or O
- A, B, or O
- A, B, AB, or O
- AB only
12127. If a man with blood type A and a woman with
blood type B produce an offspring, what might be
the offsprings blood type?
- AB or O
- A, B, or O
- A, B, AB, or O ? Correct answer
- (AA, BB, AO, BO)
- AB only
12228. Most sex-linked genes are located on
- The autosomes.
- The X chromosome only.
- The Y chromosome only.
- Both the X chromosome and the Y chromosome.
12328. Most sex-linked genes are located on
- The autosomes.
- The X chromosome only. (Not all!)
- The Y chromosome only.
- Both the X chromosome and the Y chromosome.
12429. Which of the following statements is true?
- Females cannot have hemophilia.
- The father of a colorblind boy may be colorblind.
- A sex-linked allele cannot be dominant.
- The mother of a colorblind boy must be
colorblind.
12529. Which of the following statements is true?
- Females cannot have hemophilia.
- The father of a colorblind boy may be colorblind.
- A sex-linked allele cannot be dominant.
- The mother of a colorblind boy must be
colorblind.
12630. The failure of chromosomes to separate during
meiosis is called
- Nondisjunction.
- X-chromosome inactivation.
- Turners syndrome.
- Down syndrome.
12730. The failure of chromosomes to separate during
meiosis is called
- Nondisjunction.
- X-chromosome inactivation.
- Turners syndrome.
- Down syndrome.
12831. If nondisjunction occurs during meiosis
- Only two gametes may form instead of four.
- Some gametes may have an extra copy of some
genes. - The chromatids do not separate.
- It occurs during prophase.
12931. If nondisjunction occurs during meiosis
- Only two gametes may form instead of four.
- Some gametes may have an extra copy of some
genes. - The chromatids do not separate.
- It occurs during prophase.
130Chapter 12DNA, RNA, Protein Synthesis
1311. Figure 1 shows the structure of a(an)
- DNA molecule.
- Amino acid.
- RNA molecule.
- Protein.
1321. Figure 1 shows the structure of a(an)
- DNA molecule.
- Amino acid.
- RNA molecule.
- Protein.
1332. In Figure 1, X represents
- A nucleic acid.
- A chromosome.
- A nucleotide.
- A sugar.
1342. In Figure 1, X represents
- A nucleic acid.
- A chromosome.
- A nucleotide.
- A sugar.
1353. Because of base pairing in DNA, the percentage
of
- Adenine molecules in DNA is about equal to the
percentage of guanine molecules. - Pyrimidines in DNA is about equal to the
percentage of purines. - Purines in DNA is much greater than the
percentage of pyrimidines. - Cytosine molecules in DNA is much greater than
the percentage of guanine molecules.
1363. Because of base pairing in DNA, the percentage
of
- Adenine molecules in DNA is about equal to the
percentage of guanine molecules. - Pyrimidines in DNA is about equal to the
percentage of purines. - Purines in DNA is much greater than the
percentage of pyrimidines. - Cytosine molecules in DNA is much greater than
the percentage of guanine molecules.
1374. During mitosis, the
- DNA molecules unwind.
- Histones and DNA molecules separate.
- DNA molecules become more tightly coiled.
- Nucleosomes become more tightly packed.
1384. During mitosis, the
- DNA molecules unwind.
- Histones and DNA molecules separate.
- DNA molecules become more tightly coiled.
- Nucleosomes become more tightly packed.
1394. During mitosis, the
- DNA molecules unwind.
- Histones and DNA molecules separate.
- DNA molecules become more tightly coiled.
- Nucleosomes become more tightly packed.
1405. Which of the following include all the others?
- DNA molecules.
- Histones.
- Chromosomes.
- Nucleosomes.
1415. Which of the following include all the others?
- DNA molecules.
- Histones.
- Chromosomes.
- Nucleosomes.
1426. DNA is copied during a process called
- Replication.
- Translation.
- Transcription.
- Transformation.
1436. DNA is copied during a process called
- Replication.
- Translation.
- Transcription.
- Transformation.
1447. What is the structure of DNA called?
- Single-stranded.
- Ladder.
- Double helix.
- Blob of genetic material.
1457. What is the structure of DNA called?
- Single-stranded.
- Ladder.
- Double helix. (one new strand, one old strand)
- Blob of genetic material.
1468. RNA contains the sugar
- Ribose.
- Deoxyribose.
- Phosphate groups.
- Thymine.
1478. RNA contains the sugar
- Ribose.
- Deoxyribose.
- Phosphate groups.
- Thymine.
1489. Which of the following are found in both DNA
and RNA?
- Ribose, phosphate groups, and adenine.
- Deoxyribose, phosphate groups, and guanine.
- Phosphate groups, guanine, and cytosine.
- Phosphate groups, guanine, and thymine.
1499. Which of the following are found in both DNA
and RNA?
- Ribose, phosphate groups, and adenine.
- Deoxyribose, phosphate groups, and guanine.
- Phosphate groups, guanine, and cytosine.
- Phosphate groups, guanine, and thymine.
15010. How many types of RNA are there?
15110. How many types of RNA are there?
- 1
- 3 ? Correct answer
- Hundreds
- Thousands
15211. Which of the following are copied from DNA?
- mRNA only
- mRNA, tRNA, and rRNA
- mRNA and tRNA only
- Proteins
15311. Which of the following are copied from DNA?
- mRNA only
- mRNA, tRNA, and rRNA
- mRNA and tRNA only
- Proteins
15412. Which of the following statements is true?
- A promoter is part of an intron.
- A pre-mRNA molecule is longer than the gene from
which the molecule was transcribed. - Introns are sequences of DNA.
- Any mRNA molecules made from the same gene are
always edited the same way.
15512. Which of the following statements is true?
- A promoter is part of an intron.
- A pre-mRNA molecule is longer than the gene from
which the molecule was transcribed. - Introns are sequences of DNA.
- Any mRNA molecules made from the same gene are
always edited the same way.
15613. What does Figure 2 show?
- Anticodons
- The order in which amino acids are linked
- The code for splicing mRNA
- The genetic code
15713. What does Figure 2 show?
- Anticodons
- The order in which amino acids are linked
- The code for splicing mRNA
- The genetic code
15814. How many codons are needed to specify 5 amino
acids?
- 5
- 10
- 15
- 20
15914. How many codons are needed to specify 5 amino
acids?
- 5 (codons not bases!)
- 10
- 15
- 20
16015. Why is it possible for an amino acid to be
specified by more than one kind of codon?
- Some codons have the same sequence of
nucleotides. - There are 64 different kinds of codons but only
20 amino acids. - Some codons do not specify an amino acid.
- The codon AUG codes for the amino acid methionine
and serves as the start codon for protein
synthesis.
16115. Why is it possible for an amino acid to be
specified by more than one kind of codon?
- Some codons have the same sequence of
nucleotides. - There are 64 different kinds of codons but only
20 amino acids. - Some codons do not specify an amino acid.
- The codon AUG codes for the amino acid methionine
and serves as the start codon for protein
synthesis.
16216. Which of the following terms is LEAST closely
related to the others?
- Intron
- tRNA
- Polypeptide
- anticodon
16316. Which of the following terms is LEAST closely
related to the others?
- Intron
- tRNA
- Polypeptide
- anticodon
16417. During translation, the type of amino acid
that is added to the growing polypeptide depends
on the
- Codon on the mRNA only.
- Anticodon on the mRNA only.
- Anticodon on the tRNA to which the amino acid is
attached only. - Codon on the mRNA and the anticodon on the tRNA
to which the amino acid is attached.
16517. During translation, the type of amino acid
that is added to the growing polypeptide depends
on the
- Codon on the mRNA only.
- Anticodon on the mRNA only.
- Anticodon on the tRNA to which the amino acid is
attached only. - Codon on the mRNA and the anticodon on the tRNA
to which the amino acid is attached.
16618. Which type of RNA functions as a blueprint of
the genetic code?
- rRNA
- tRNA
- mRNA
- RNA polymerase
16718. Which type of RNA functions as a blueprint of
the genetic code?
- rRNA
- tRNA
- mRNA
- RNA polymerase
16819. Which of the following statements is false?
- Some genes code for enzymes.
- The instructions for making some proteins are not
specified by genes. - An organisms inherited traits depend on
proteins. - An organisms genes determine its inherited
traits.
16919. Which of the following statements is false?
- Some genes code for enzymes.
- The instructions for making some proteins are not
specified by genes. - An organisms inherited traits depend on
proteins. - An organisms genes determine its inherited
traits.
17020. Which of the following is not a gene mutation?
- Inversion.
- Insertion.
- Deletion.
- Substitution.
17120. Which of the following is not a gene mutation?
- Inversion.
- Insertion.
- Deletion.
- Substitution.
17221. Which of the following is NEVER a frameshift
mutation?
- Substitution.
- Insertion.
- Deletion.
- Point mutation.
17321. Which of the following is NEVER a frameshift
mutation?
- Substitution.
- Insertion.
- Deletion.
- Point mutation.
17422. Which of the following is NOT generally part
of a eukaryotic gene?
- Operon
- TATA box
- Promoter sequences
- Enhancer sequences
17522. Which of the following is NOT generally part
of a eukaryotic gene?
- Operon
- TATA box
- Promoter sequences
- Enhancer sequences
17623. In E. coli, the lac operon controls the
- Breakdown of lactose.
- Production of lactose.
- Breakdown of glucose.
- Production of glucose.
17723. In E. coli, the lac operon controls the
- Breakdown of lactose.
- Production of lactose.
- Breakdown of glucose.
- Production of glucose.
17824. Gene regulation in eukaryotes
- Usually involves operons.
- Is simpler than in prokaryotes.
- Allows for cell specialization.
- Includes the action of an operator region.
17924. Gene regulation in eukaryotes
- Usually involves operons.
- Is simpler than in prokaryotes.
- Allows for cell specialization.
- Includes the action of an operator region.
18025. Which of the following statements is false?
- Mutations do not occur in hox genes.
- Hox genes that are found in different animals are
very different from each other. - Hox genes control the normal development of an
animal. - Hox genes occur in clusters.
18125. Which of the following statements is false?
- Mutations do not occur in hox genes.
- Hox genes that are found in different animals are
very different from each other. - Hox genes control the normal development of an
animal. - Hox genes occur in clusters.
18226. Hox genes
- Are regulated by operons.
- Are found in bacteria.
- Are not found in humans.
- Determine the location of a dogs ears.
18326. Hox genes
- Are regulated by operons.
- Are found in bacteria.
- Are not found in humans.
- Determine the location of a dogs ears.
18427. What process is being shown in figure 3?
- Replication
- Transcription
- Translation
- Jigsaw puzzling
18527. What process is being shown in figure 3?
- Replication
- Transcription
- Translation
- Jigsaw puzzling
18628. Which structure in Figure 3 is a codon?
- C
- D
- A
- F
18728. Which structure in Figure 3 is a codon?
- C
- D
- A
- F ? Correct answer
18829. Which structure in Figure 3 is a ribosome?
- A
- D
- B
- F
18929. Which structure in Figure 3 is a ribosome?
- A ? Correct answer
- D
- B
- F
19030. In the figure below, A, B, and C are three
types of
- Proteins
- RNA
- DNA
- Pictures
A
B
C
19130. In the figure below, A, B, and C are three
types of
- Proteins
- RNA
- DNA
- Pictures
A
B
C
19231. In the figure below, B represents
- A protein
- mRNA
- tRNA
- rRNA
A
B
C
19331. In the figure below, B represents
- A protein
- mRNA
- tRNA
- rRNA
A
B
C