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
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A. are only found today in Australia. B. lay eggs. C. nurse their young. D. may reproduce via asexual reproduction.
Early recognition of a necrotizing skin infection is essential to decrease the risk of death
Indicate whether the statement is true or false
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?
________ 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).