BIOL 1020 Unit 2 Exam Questions And Answers 2021/2022
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Course
BIOL 1020
Institution
BIOL 1020
Question 4
Organisms that grow very slowly, are non-culturable, are present in very small numbers, or are mixed
with a number of bacteria may still be identified using
Selected Answer: D. PCR.
Question 5
If the G+C content of two organisms is 45% in both
Selected Answer: E. they may or may ...
biol 1020 unit 2 exam questions and answers 20212022
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BIOL
Question 4
Organisms that grow very slowly, are non-culturable, are present in very small numbers, or are mixed
with a number of bacteria may still be identified using
Selected Answer: D. PCR.
Question 5
If the G+C content of two organisms is 45% in both
Selected Answer: E. they may or may not be related.
Question 6
For the next few questions use the terms in the list below to label the diagram.
Question Selected Match
76. E. RNA polymerase.
77. D. Ribosome.
78. A. DNA polymerase.
79. C. Reverse transcriptase.
80. B. Ligase.
Question 7
Viruses acquire envelopes around their nucleocapsids during
, Selected Answer: D. release.
Question 8
Luminescence
Selected Answer: E. All of the choices are correct
Question 9
The size of the amplified DNA fragment generated during PCR is determined by
Selected Answer: A. the locations to which the primers anneal.
Question 10
Post-translational modification may include
Selected D.
Answer: the folding of the protein, often with the aid of chaperones AND the removal of the
signal sequence
Question 11
Comparatively greater energy is released when
Selected Answer: E. oxygen is the final electron acceptor.
Question 12
DNA transfer by conjugation is more efficient in a liquid medium setting, subjected to very mild
agitation (stirring), rather than on an agar plate format. Why?
Selected A.
Answer: Direct cell-to-cell contact is required for this process, and this more likely to be achieved
in the fluid liquid format than on an agar plate (especially for relatively non-motile types
of bacteria)
Question 13
Wolbachia are found only in
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