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Homework answers / question archive / QUESTION 12 Bacterial cells reproduce by ______
A type of cell division that produces 2 genetically identical daughter cells.
Conjugation
All the above.
Only a and b
2 points
QUESTION 13
Sickle-cell disease is a result of a mutation whereby Glutamic acid is replaced by Valine resulting in red blood cells becoming sickled-shaped, fiber-like structures; this is an example of a missense mutation.
True
False
2 points
QUESTION 14
A virus enters a dormant state within its host; this is an example of what type of reproductive cycle?
Lytic cycle
Lysogenic cycle
2 points
QUESTION 15
A type of mutation that changes a nucleotide base and results in the change of a single amino acid in a polypeptide sequence.
Induced mutation
Nonsense mutation
Silent mutation
Missense mutation
None of the above
2 points
QUESTION 16
Polymerase Chain Reaction is DNA replication in a test tube. All the following are placed in the tube EXCEPT
Primers
DNA (Taq) polymerase
Nucleotides (thymine, guanine, adenine, cytosine).
Helicase
DNA fragment of interest
2 points
QUESTION 17
A plasmid that carries genes that turn a bacterium into a pathogenic strain causing disease, is what type of plasmid?
Resistance plasmid
Degradative plasmid
Co-plasmid
Virulence plasmid
Fertility plasmid
2 points
QUESTION 18
If DNA damage is not repaired, it can lead to mutations occurring?
True
False
2 points
QUESTION 19
Which time period saw the rise and fall of the dinosaurs?
Mesozoic era
Jurassic Period
Paleozoic Era
Triassic Period
2 points
QUESTION 20
Somatic cell mutations are found in every cell of the adult organism?
True
False
2 points
QUESTION 21
A plasmid that allows bacteria to transfer genes to other bacteria, is what type of plasmid?
Resistance plasmid
Degradative plasmid
Co-plasmid
Virulence plasmid
Fertility plasmid