In the visual pathway providing sensory action potentials to the brain, the first cells that are capable of initiating action potentials are:
A. cone cells.
B. rod cells.
C. lateral geniculate cells.
D. ganglion cells.
E. bipolar cells.
D
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How long after fertilization is a conceptus considered a fetus?
A. After 48 hours B. After 10 days C. After 8 weeks D. After 12 weeks E. After 5 months
Nonessential amino acids:
a. are not used by the body b. can be made by the body from other substances c. are used only for catabolism d. are found only in plant proteins
One feature that helps provide fast energy to a muscle cell is the presence of granules containing the complex carbohydrate
A. hemoglobin. B. creatine phosphate. C. myoglobin. D. glycogen. E. nebulin.
What happens to glucose molecules if the carrier proteins for tubular reabsorption are saturated and have reached their transport maximum?
What will be an ideal response?