The text states that antibiotics are derived from microorganisms. What is the benefit to an antibiotic-producing microorganism of producing an antibiotic in its natural habitat?
What will be an ideal response?
Answer: Answers will vary, but it must first be stated the antibiotic-producing microbe would need to be resistant to the antibiotic. This should then follow into a discussion on how antibiotic production could be viewed as a way to persist in the environment, such as maintaining dominance in a community over others.
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In what discipline did Darwin get his degree
from Cambridge University?
a. biology b. geology c. theology d. genetics e. biogeography
The main role of the liver is to ________.
A. produce bile, which helps the process of digestion B. absorb nutrients C. break large food into smaller food bits D. absorb water
The genetic material within a virus is in the form of:
A) the genetic material within a virus may be any of these B) single-stranded DNA C) double-stranded RNA D) single stranded RNA E) double-stranded DNA
Which of these statements is not true for bacterial capsules?
A) For Streptococcus pneumoniae, the encapsulated strain is more virulent. B) Pathogenic and nonpathogenic bacteria can produce capsules. C) The importance of the capsule to virulence for Streptococcus pneumoniae can be determined because there are strains both with and without the capsule. D) Capsules related to virulence are produced by the causative agents of anthrax and bubonic plague. E) Antibodies produced against a capsule cannot affect whether disease will occur.