Movement of a substance up a gradient can occur through
a. the GLUT carrier
b. a facilitated diffusion carrier
c. an aquaporin
d. the SGLT carrier
e. a membrane channel
D
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Accommodation of the lens occurs when
A. the lens becomes more spherical. B. parasympathetic axons stimulate the ciliary muscles. C. ciliary muscles contract. D. the ciliary body moves closer to the lens. E. All of these choices are correct.
The diaphragm is attached to the inferior tip of the heart, called the ________.
Fill in the blank(s) with the appropriate word(s).
Gluconeogenesis is the synthesis of glucose from precursor molecules such as
A) sucrose. B) glycerol. C) fructose. D) glycogen. E) galactose.
In a muscle fiber undergoing maximal tetanic stimulation, the velocity of shortening ____ as the load ____
a. decreases; decreases b. decreases; increases c. increases; increases d. remains constant; increases e. remains constant; decreases