Two receptors, A and B, can bind the same chemical signaling molecules but the concentration of those molecules required to reach 50% saturation is twice as great for receptor B. Therefore, the receptors have the same ________, but different ________
A. specificity, affinity
B. specificity, saturation
C. affinity, specificity
D. affinity, competition
E. competition, affinity
A
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During exercise, the most significant factor affecting the pH of body tissues is the production of __________.
A) organic acids. B) lactic acid. C) hydrochloric acid. D) carbon dioxide. E) ketone bodies.
ATP synthase
a. pumps H+ ions into the intermembrane space b. transports oxygen c. accepts H+ ions from NADH d. is not part of the ETS e. uses ATP to pump H+ out of the mitochondrial matrix
Describe the three types of protein fibers common to the extracellular matrix of tissues
What will be an ideal response?
This is a midsagittal section of the right half of the brain. What does "A" represent?
A. cerebrum B. cerebellum C. corpus callosum D. diencephalon E. brainstem