Each rung of the DNA ladder consists of ________.
A. thousands of chromosomes
B. 20,000 genes
C. a pair of bases
D. 23 matching pairs of chromosomes
Answer: C
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The fact that John Thompson can use his arms but Montel Williams is unlikely to be cured of MS illustrates the difference between:
A. nerves vs. muscles B. the peripheral nervous system vs. the central nervous system C. receiving medical attention immediately vs. not for several hours D. neurons vs. fetal tissue
White light contains:
A. all the light waves in the visible spectrum B. long wavelength light C. all light waves except those of the wavelength corresponding to blue D. the primary color
Which statement is TRUE regarding the processes of excitation and inhibition?
a. ?In order for the body to work normally, neurotransmitters should usually be excitatory. b. ?In order for the body to work normally, neurotransmitters should usually be inhibitory. c. ?Both inhibitory and excitatory processes are necessary for normal neurological activity. d. ?Neither excitatory nor inhibitory processes are good for normal neurological activity.
Which of the following is not considered a complex emotion?
a. Anger c. Guilt b. Envy d. Shame