Which of the following statements concerning intracellular receptors is FALSE?
a. Some bind hydrophobic signaling molecules.
b. Some function as transcription factors.
c. They diffuse across the plasma membrane of target cells.
d. The ligand-receptor complex can activate genes.
e. The ligand-receptor complex can inactivate genes.
C
Biology & Microbiology
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Kelps cannot live in water warmer than ____° C
a. 10 b. 20 c. 30 d. 40 e. 50
Biology & Microbiology
Shallow, highly productive lakes with an abundance of algae are called
A. eutrophic lakes. B. oligotrophic lakes. C. thermally stratified. D. dimictic lakes.
Biology & Microbiology
In vertebrates, the analogous structure to the notochord is
A) a nerve cord. B) jaws. C) a backbone. D) fins. E) a skull.
Biology & Microbiology
Uncontrolled cell division in animals is known as (metastasis/neoplasia/cancer).
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology