The mechanism that regulates the movement of
substances into and out of the cells of the brain is the
a. cerebrospinal fluid.
b. reticular formation.
c. tectum.
d. blood-brain barrier.
e. brain stem.
Answer: d
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The enzymes responsible for hydrolyzing glucose into glyceraldehyde-3-phosphate (G3P) are found in which part of
the cell?
a. cytosol b. mitochondria c. rough ER d. nucleus e. cell membrane
Tapeworms are most commonly found in persons who
a. eat undercooked rice. b. walk barefoot in a rice field. c. eat undercooked pork. d. are bitten by mosquitoes. e. are bitten by ticks.
The most important factor that determines how much oxygen is bound to hemoglobin is ____
a. plasma volume b. breathing rate c. temperature d. relative amounts of oxygen and carbon dioxide e. acidity
The transformation of a normal cell into a cancer cell is ____________________. Fill in the blank(s) with the appropriate word(s)