Alzheimer’s disease involves damage to brain neurons that release ____, while Parkinson’s disease is caused by a
shortage of the neurotransmitter ____.
a. acetylcholine; dopamine
b. dopamine; acetylcholine
c. norepinephrine; serotonin
d. serotonin; norepinephrine
e. dopamine; acetylcholine
ANSWER: a
You might also like to view...
While conducting an experiment, you realize that a competitive inhibitor was interfering with your reaction. How could you overcome this problem?
A. Add a non-competitive inhibitor to the reaction. B. Add a cofactor to the reaction. C. Increase the concentration of the correct substrate in the reaction. D. Add an allosteric activator to the reaction.
The bond in table salt (NaCl) is
a. polar. b. ionic. c. covalent. d. double. e. nonpolar.
Which flower provides the anticancer drugs vincristine and vinblastine?
a. four-o'clock b. sunflower c. petunia d. rosy periwinkle e. rose
Which is involved with the regulation of eukaryotic genes?
a. operator b. DNA polymerase c. TATA box d. operon