Who is most likely to have sickle-cell anemia?
a. European and European Americans
b. Hispanics and Hispanic Americans
c. Asians and Asian Americans
d. Africans and African Americans
D. It also occurs more rarely in people whose ancestors came from India or the Mediterranean.
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The drug physostigmine improves the performance of the neurotransmitter acetylcholine. Therefore physostigmine would be classified as a(n)
a) agonist. b) antagonist. c) neuromodulator. d) opioid peptide.
The neural system responsible for flavor includes neurons in ___.
Fill in the blank(s) with correct word
Concordance rates for major depression in monozygotic and dizygotic twins show
a. no evidence for a genetic component to depression at all. b. higher concordance rates for major depression in dizygotic twins compared to monozygotic twins. c. higher concordance rates for major depression in monozygotic twins compared to dizygotic twins. d. Approximately equal concordance rates for major depression in monozygotic and dizygotic twins.
All of the following are features of dimethyltryptamine except…
a. made in the body. b. agonist for sigma-1 receptors. c. found in certain plants. d. antagonist for NMDA receptors.