Explain three reasons why bacteria form biofilms
What will be an ideal response?
Answer: Biofilms allow bacteria to live in close association with each other, which can be beneficial for nutrient and genetic exchange. They are also a means of microbial self-defense that increase survival. Another advantage of cells being in a biofilm is that they remain in a niche through attachment.
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Which of the following statements does not describe non-associative learning?
A. Learning occurs in the absence of a particular outcome, such as reward or punishment. B. Habituation is an example of nonassociative learning that results in a reduction or elimination of a behavioral response after repeated presentation of the stimulus. C. Sensitization is a form of non-associative learning that results from presenting a strong or novel stimulus first so that the response to another stimulus is enhanced. D. Conditioning occurs when an animal learns to link or associate two events.
All green algae _____
a. have a cell wall c. are multicellular b. are marine d. all of the above
A digestive system functions in _____
a. secreting enzymes c. eliminating wastes b. absorbing compounds d. all of these
Which of the following statements is FALSE?
A) Fluoroquinolone inhibits DNA synthesis. B) Acyclovir inhibits DNA synthesis. C) Amantadine inhibits the release of viral nucleic acid. D) Interferon inhibits glycolysis. E) Azoles inhibit plasma membrane synthesis.