Which of the following is the function of bacteria found in human guts?
a. to synthesize vitamin A
b. to synthesize vitamin C
c. to synthesize vitamin K
d. to synthesize vitamin B
Ans: c. to synthesize vitamin K
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A ________ assay is most useful for determining the viability of a viral preparation.
A. PCR B. plaque C. hemagglutination D. direct (electron microscopic) count
Based in the information provided, the best explanation for the low numbers of spiders and flies in plot 5 is:
A. centipedes are actively consuming flies and spiders. B. there were not enough spiders to catch and consume all the flies. C. there were not enough flies to support a large centipede population. D. centipedes prefer spiders to flies.
Given what you now know, what information is most likely to produce the correct answer?
What will be an ideal response?
The ____________________ is used to package and ship components to other organelles and out of the cytoplasm.
Fill in the blank(s) with the appropriate word(s).