A deficiency in dietary iodine can cause:
A. congenital hypothyroidism (cretinism).
B. a slowing of mental functions.
C. a low metabolic rate.
D. a goiter.
E. All of the choices are correct.
E
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In this transport process, the energy from hydrolysis of ATP is used to drive substances across the membrane against their own concentration gradients
a) primary active transport b) secondary active transport c) facilitated diffusion d) passive diffusion e) osmosis
A substance that dissociates in water to form cations and anions is called a nonelectrolyte
Indicate whether this statement is true or false.
During ______, your diaphragm relaxes and comes back up, your external intercostal relax, and your rib cage comes back down. This creates a smaller space and causes intrapulmonary pressure to increase, causing air to flow out of the lungs.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements regarding endocytosis or exocytosis is correct?
A. Pinocytosis is a form of exocytosis; phagocytosis is a type of endocytosis. B. Pinocytosis and phagocytosis are both types of exocytosis. C. Pinocytosis is a form of endocytosis; phagocytosis is a type of exocytosis. D. Endocytosis is a method by which large molecules may be secreted from a cell. E. Exocytosis is a method by which large molecules may be secreted from a cell.