During translation, the codons on the mRNA are recognized by complementary base pairing to the anticodon on the
a. ribosome.
b. transfer RNA.
c. small cytoplasmic RNA.
d. aminoacyl tRNA synthetase.
Ans: b. transfer RNA.
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A protein that initiates gene transcription and allows for non-glucose molecules to be used is
A. operon. B. repressor. C. promoter. D. operator. E. CAP.
Which organ produces anti-diuretic hormone leading to water retention in the kidneys?
a. liver b. kidneys c. hypothalamus d. heart
Nad+
A) is derived from vitamin E. B) is an electron source for biological oxidation reactions. C) is a coenzyme acceptor of electrons and a hydrogen ion. D) releases a phosphate to become NADH. E) is the reduced form of the B vitamin niacin.
Species whose ancestors might once have been free living may now be present as parasites. Would their genomes now tend to be larger, smaller, or approximately the same in size and complexity?
What will be an ideal response?