In transduction, bacterial cells

a. take up pieces of DNA that are released as other cells disintegrate.
b. take up pieces of DNA through the use of a virus.
c. replicate DNA molecules.
d. make replicate copies of one another.
e. generate their own DNA.


B

Biology & Microbiology

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The structures responsible for detecting linear movement relative to the pull of gravity are labeled __________ in Figure 43-2


a. 1 and 3
b. 4 and 6
c. 3 and 5
d. 1 and 6
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Which of the following is NOT an example of a walled-off site of infection that contains a fluid made of dead and dying tissue cells, leukocytes, and pathogens?

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Biology & Microbiology