Cells with a high rate of secretion use up to 75% of the ATP they generate just to synthesize new chemical compounds
a. True
b. False
Indicate whether the statement is true or false
True
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In reuptake
A. a neurotransmitter that has already been released into the synaptic cleft is taken back into the synaptic knob of the presynaptic neuron. B. an action potential reverses direction. C. a neuropeptide breaks down into amino acids, which act as neurotransmitters. D. an enzyme breaks down a neurotransmitter and then another enzyme builds it back up.
Which of the following plasma components is most likely to rise in concentration during an acute infection?
A) fibrinogen B) gamma globulins C) platelets D) albumin
For a diagnosis of hypertension, a patient must have
A) a systolic pressure above 140 mm Hg. B) a diastolic pressure below 80 mm Hg. C) a diastolic pressure above 90 mm Hg. D) a systolic pressure above 120 mm Hg. E) a systolic pressure above 140 mm Hg or a diastolic pressure above 90 mm Hg.
This type of sensory neuron is quite rare
A) unipolar B) multipolar C) bipolar