The parotids and submandibular (submaxillary) glands are examples of
A. exocrine glands.
B. endocrine glands.
C. both endocrine and exocrine glands.
D. neither endocrine nor exocrine glands.
Answer: A. exocrine glands.
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What activates CREB?
A. Binding of cAMP B. Phosphorylation C. Dimerization D. Lowering of cAMP concentration E. Binding to GRE
Plastic pollution is considered by many scientists to be:
a. a minor nuisance. b. biodegradable. c. of lesser importance than oil or toxins. d. of equal importance to oil and toxins. e. a problem best left for the next generation to deal with.
The ___ are the major blood vessels transporting blood to the kidneys.
Fill in the blank(s) with the appropriate word(s).
Which of the following is true of an asymmetric carbon atom?
A) Only amino acids have asymmetric carbon atoms. B) A carbon with hydrogens attached at two locations is usually asymmetric. C) A carbon with hydrogens attached at three locations is usually asymmetric. D) Asymmetric carbon atoms create stereoisomers. E) Molecules may have only one asymmetric carbon atom.