Some bacteria produce the enzyme ?-lactamase, which results in resistance to certain antibiotics such as penicillin

Since these same organisms reproduce asexually, they produce offspring that ____.



a. can be killed by penicillin
b. have an abnormally high rate of mutation
c. are resistant to penicillin
d. have variable numbers of chromosomes
e. can make penicillin


ANSWER: c

Biology & Microbiology

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Marsupials:

A. are only found today in Australia. B. lay eggs. C. nurse their young. D. may reproduce via asexual reproduction.

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Early recognition of a necrotizing skin infection is essential to decrease the risk of death

Indicate whether the statement is true or false

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How is air contamination prevented when an inoculating loop is used to introduce or take a bacterial sample to/from an agar plate?

What will be an ideal response?

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________ is the performance of an action that benefits another individual at a cost to the actor.

Fill in the blank(s) with the appropriate word(s).

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