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Biotechnologies and genetic engineering
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• Genetic information is coded into DNA molecules
  as
• A genes
• B codons
• C triplets
• D singlet codes

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2. The flow of information according to the
central dogma of molecular biology is
A DNA ? DNA ? RNA
B DNA ? RNA ? DNA C
DNA ? RNA ? protein D RNA ?
DNA ? protein
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3. Plasmids are A cytoplasm of a
bacterial cell B circular DNA in a
bacterial cell, placed outside the bacterial
chromosome C the centromere of a
chromosome D a part of the mesosome
of a bacterial cell
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4. Genetic engineering focuses on
A constructing molecular-genetic
systems outside the organism
B constructing techniques to satisfy the needs
of the genetic technologies
C somatic hybridization that creates hybrids
D combining different animal
or plant species
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5. Which proteins perform enzyme activity for DNA
degradation? A DNA
polymerase B amylase
C trypsin D
restrictase
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6. Antibiotic resistance genes
A prevent plants from bacterial attacks
B prevent people from bacterial attacks
C prevent people from
antibiotics D prevent bacteria
from antibiotics
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7. Our genes determine (regardless of the
influence of the environment)
A whether we are prone to suffering from
hemophilia B whether we are
prone to suffering from diabetes
C whether we are predisposed to obesity
D whether we will grow to be intelligent
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8. The enzyme catalysing synthesis of DNA from
RNA is known as A ligase
B DNA polymerase
C reverse transcriptase D
restrictase
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9. Inserting a human gene in a plasmid
results in A synthesis of
human proteins in bacteria B
development of bacteria without antibiotic
resistance C identifying
genetic diseases in people
D cloning of DNA molecules from a crime scene
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10. Plasmids are found in
A bacteriophages B viruses
C nuclei of human cells
D bacteria
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11. Antibiotics are substances that kill bacteria
or inhibit their growth. Which of the listed
below is not an antibiotic?
A Ampicillin B Tetracycline
C Pepsin D
Penicillin
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12. A couple with AB and A0 blood groups can not
have a child with A blood
group O B blood group B
C blood group A
D blood group AB