Unlike prokaryotes, most gene regulation in eukaryotes
A) takes place at the transcriptional level.
B) is controlled at the level of transcript processing.
C) is controlled by inhibitory proteins.
D) is based on posttranslational modification.
E) None of these
B
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In which part of a sponge's body does fertilization occur?
A. the ostium. B. the mesohyl. C. the spicule. D. the spongin. E. the amoebocyte.
Four of the five answers listed below are characteristics of mutations. Select the exception
a. are predictable b. can be beneficial c. are random d. can be neutral e. are heritable
__________ species are likely to become endangered
in the future. Fill in the blank(s) with the appropriate word(s).
Why was the discovery of reverse transcriptase a momentous event in biology?
What will be an ideal response?