A primary oocyte is indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
Answer: e
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Which one of the following is a type of species interaction with impacts that depend on prey density and effectiveness of defenses to determine the short-term impact on the prey population?
A) competition B) consumption C) mutualism D) commensalism
During the biotransformation of a large molecular weight compound, two major products are formed. While one of the products is catabolized, the other compounds accumulation represses the biotransformation of the large compound
Which approach is MOST likely to artificially enhance the biotransformation beyond this point in a batch culture? A) addition of an isoenzyme for the biotransformation route to increase its transcription B) addition of inducer molecules into the medium to increase transcriptional repression C) inclusion of more of an intermediate compound in the catabolic pathway D) spike in additional activator proteins that control the transcription of this pathway
Which of the following is not a function of the cytoskeleton?
A) cell movement B) cell division C) moving of organelles D) positioning of enzymes E) passive transport
In a tetanus shot, patients are injected with small amounts of tetanospasmin, a toxin produced by the Clostridium tetani, the bacterium that causes tetanus. The gene for this protein is carried on a plasmid in the bacterium. Which of the following is true of this gene?
a. It is part of the Clostridium tetani chromosome b. It cannot go through horizontal gene transfer c. It can enter another bacterium by transformation d. It cannot go through vertical gene transfer e. It is found in the nucleus of the Clostridium tetani