Vitamin A, a fat-soluble vitamin, would move across the plasma membrane into the cell
A. through vitamin membrane channels.
B. in vesicles.
C. by dissolving in the lipid bilayer.
D. by active transport.
E. by transport with carrier molecules.
C
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Nerve impulses from ________ will result in inspiration.
A) the ventral respiratory group B) the chemoreceptor center C) Broca's center D) the preoptic nucleus of the hypothalamus
The term metabolism is best defined as ________.
A) the length of time it takes to digest and absorb fats B) a measure of carbohydrate utilization, typically involving measurement of calories C) the number of calories it takes to keep from shivering on a cold day D) biochemical reactions involved in building cell molecules or breaking down molecules for energy
The ________ molecules which form the bilayer region of the cell membrane exhibit hydrophilic properties on the outer surface and hydrophobic properties on the inner surface.
Fill in the blank(s) with the appropriate word(s).
Pancreatic enzymes are secreted in response to a hormone called ________
A) gastrin B) secretin C) glucagon D) insulin E) cholecystokinin (CCK)