Cholesterol is
a. a dietary essential; the human body cannot synthesize it.
b. found in foods of plant origin.
c. an important part of human cell membranes and necessary to make some hormones.
d. All of the above.
c. an important part of human cell membranes and necessary to make some hormones.
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The increased osmolarity of the filtrate after Bowman's capsule is caused by:
A. diffusion of NaCl out of the proximal tubule. B. diffusion of HCO3– out of the proximal tubule. C. active transport of NaCl out of the proximal tubule. D. active transport of HCO3– out of the proximal tubule.
Osmosis requires a ________ membrane that is ________ to solute molecules and permeable to water molecules
Fill in the blank with correct word.
The mechanoreceptors that detect the stretch of tendons and relaxation of muscles are known as
a) proprioceptors b) chemoreceptors c) nociceptors d) thermoreceptors
Characteristics of Histoplasma capsulatum include
A. it grows in dry, arid soil. B. it is a yeast with a capsule. C. it grows in moist soil, rich in nitrogen from bird and bat guano. D. it is a dermatophyte. E. None of the choices are correct.