Animals that practice freeze avoidance have antifreeze proteins which
a. lower the freezing point of plasma due to their colligative properties.
b. raise the melting point of plasma ice due to their colligative properties.
c. nucleate the formation of ice crystals in the extracellular fluid.
d. interact with ice crystals to prevent their growth.
e. none of these.
D
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Which of the following is not true of oxytocin?
A) It is one of the few hormones that is regulated by a positive feedback loop. B) It is produced in the thyroid gland. C) It stimulates "milk letdown" in nursing mothers. D) It causes the contractions of the uterus during labor.
Which of the following determines lung compliance?
A) muscles of inspiration B) alveolar surface tension C) airway opening D) flexibility of the thoracic cage
________ is a high-energy molecule made and spent by cells during metabolism.
A. ATP B. ADP C. AMP D. A&P
Podocytes are cells with foot-like processes called pedicels. Podocytes are found in the
A. periphery of the distal convoluted tubule. B. endothelium of the glomerulus. C. visceral layer of the glomerular capsule. D. basement membrane of the glomerulus.