Which of the following is a primary bacterial cell wall function?

A. transport
B. motility
C. support
D. adhesion


Ans: C. support

Biology & Microbiology

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What is one clue that snakes evolved from

ancestral lizards?

a. some give live birth to their young b. some have bony remnants of hind limbs c. all have internal fertilization d. all have aminotic eggs e. some actually have legs

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This type of hormone characteristically requires a second messenger

A) lipid-soluble B) steroid C) water-soluble D) prostaglandin

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Can the PCR technique be used to copy an entire chromosome all at once?

A) No, only the genes would be copied. B) No, the PCR machine can only copy fragments of DNA. C) Yes, that is its primary function.

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Most microorganisms in the body have the potential to cause illness

Indicate whether the statement is true or false

Biology & Microbiology