Hormones are synthesized from cholesterol are part of the ____ group of hormones
a. fatty acid derivatives
b. steroid hormones
c. amino acid derivatives
d. peptide hormones
e. protein hormones
b
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The exhalation of air from human lungs is driven by _____
A) a decrease in the volume of the thoracic cavity B) a decrease in the residual volume of the lungs C) the contraction of the diaphragm D) the closure of the epiglottis E) the expansion of the rib cage
When a species of bird preys upon the seeds of a plant and favors the smallest seeds,
A) the prey species functions as an agent of natural selection on the predator. B) natural selection favors individual plants that produce the largest seeds. C) the plants compensate for their losses by producing proportionately more smaller seeds. D) the bird species is unaffected when directional selection favors plants that produce the largest seeds.
Patients with damage to Wernicke's area have difficulty _____
A) generating speech B) recognizing faces C) understanding language D) experiencing emotion
Membrane proteins perform all of the following functions except:
A) transport. B) cell recognition. C) structural support. D) maintainance of membrane fluidity. E) communication.