DNA, transcription, and translation review

1
DNA, transcription, and translation review
2
The process by which one strain of bacteria is
apparently changed into another strain is called

• A) transcription
• B) translation
• C) transformation
• D) replication
• Transformation

3
Bacteriophages are

• A) tiny bacteria
• B) enzymes
• C) coils of RNA
• D) viruses
• viruses

4
A nucleotide does NOT contain

• A) a 5-carbon sugar
• B) polymerase
• C) a nitrogenous base
• D) a phosphate group
• polymerase

5
The process by which the genetic code of DNA is
copied to a strand of RNA is called

• A) translation
• B) transcription
• C) transformation
• D) replication
• transcription

6
In messenger RNA, a codon consists of

• A) 2 bases
• B) uracil
• C) thymine
• D) 3 bases
• 3 bases

7
In mRNA, each codon specifies a specific

• A) nucleotide
• B) purine
• C) amino acid
• D) pyrimadine
• amino acid

8
Purines include

• A) adenine and thymine
• B) cytosine and guanine
• C) adenine and guanine
• D) cytosine and thymine
• adenine and guanine

9
Which of the following does not describe the
structure of DNA?

• A) double helix
• B) nucleotide polymer
• C) sugar-phosphate backbone
• D) contains adenine-uracil pairs
• Contains adenine-uracil pairs

10
What did Hershey and Chases work show?

• A) genes are probably made of DNA
• B) genes are probably made of protein
• C) genes are made of both DNA and protein
• genes are probably made of DNA

11
The basic shape of DNA is

• A) single stranded
• B) a double helix
• C) a ring-like loop
• D) has no definite shape
• a double helix