How is a nerve impulse generated when most sensory receptors are activated?
A. The action potential is converted to a
binary code.
B. The membrane becomes hyperpolarized.
C. The membrane becomes repolarized.
D. The membrane becomes depolarized.
D
Biology & Microbiology
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DNA isolated from cow liver cells contains 28% A; what percent will be C?
A) 14% B) 22% C) 28% D) 36% E) 56%
Biology & Microbiology
__________ relay signals between neurons. Fill in the blank(s) with the appropriate word(s)
Biology & Microbiology
Which of the following statements about anabolic steroids is false?
A) They cause a general buildup of muscle mass.
B) They often cause the body to reduce its normal output of sex hormones.
C) They promote bone growth.
D) They can stimulate mood swings and violent behavior.
Biology & Microbiology
Viroids infect
A) bacteria. B) plants. C) fungi. D) plants and animals. E) all organisms.
Biology & Microbiology