__________ and/or __________ extend from many

prokaryotic cells and serve in attachment and
motility. Fill in the blank(s) with the appropriate word(s).


Answer: Pili, flagella

Biology & Microbiology

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The tailbone of humans provided evidence against _____.

A. evolution by natural selection B. evolution by adaptation C. the idea that each species was formed in its perfect state D. the idea of uniformitarianism E. the idea of extinction

Biology & Microbiology

You observe a microbiologist examining two plates and notice the pattern of colonies are nearly identical with the exception of a few colonies that are absent on one of them. The plates likely were produced by

A) positive selection culturing. B) replica plating. C) pour plating. D) streak plating. E) the Ames test.

Biology & Microbiology

The bacterial chromosome

What will be an ideal response?

Biology & Microbiology

Please match the statement to the term that it best describes.

Stimulate immune responses directed against cells and tissues from a different individual or a different place on the individual that may destroy these cells and tissues A) Immunodeficiency B) Allergy C) Autoimmunity D) Grafts and transfusions

Biology & Microbiology