Small quantities of hormone can result in profound responses in target tissues. This type of response is referred to as
a. amplification
b. a first messenger response
c. a gene activation response
d. a neural response
e. a growth factor response
ANSWER: a
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Indicate whether the statement is true or false.
The negatively charged phosphates of ATP influence one another by
A) relative hydration. B) charge repulsion. C) resonance hybridization. D) dehydrogenation. E) all of the above
Genetic regulation in eukaryotes can take place at a variety of levels from transcriptional to posttranslational. At what level is genetic regulation considered most likely in prokaryotes?
A) transcriptional B) intron processing C) capping D) polyadenylation of the 3' end of the mRNAs E) exon processing
What is cytokinesis?
A) The stage of the cell cycle that happens before the cell is ready to divide its DNA B) The stage of the cell cycle during which the cell separates its duplicated DNA C) The stage of the cell cycle during which the cell duplicates its DNA D) The stage of the cell cycle after the cell has divided its DNA and during which the cytoplasm gets divided