A Neurospora mutant that is a tryptophan auxotroph does not need to be grown on a medium that contains tryptophan
Indicate whether the statement is true or false
FALSE
Explanation: A tryptophan auxotroph cannot synthesize its own tryptophan. It should be grown on a medium that contains tryptophan.
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You are studying the response of macrophages infected with the intracellular bacterium Brucella, specifically by examining which gene products are being expressed. You would be studying the macrophage ________ to obtain this information.
A) proteome B) genome C) transciptome D) amplicon E) metabolome
As opposed to external fertilization, internal fertilization ensures that
a. sperm and egg will be released simultaneously. b. only the fittest of sperm and egg combinations will survive. c. sperm will be protected until they can unite with the eggs. d. all of the sperm will fertilize eggs. e. the number of sperm and eggs produced will be equal.
An antagonist to a receptor decreases the number of messengers bound to the receptor.
a. true b. false
All viruses must use their genome to produce ________, which is then used by the host cell to produce ________
A) DNA; mRNA B) proteins; mRNA C) mRNA; proteins D) DNA; proteins E) proteins; DNA