During electron transport, how many ATP can be generated from the energy contributed by a molecule of NADH?
A. 30
B. 36
C. 1
D. 3
E. 2
Answer: D
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Trace the pathway of sound as it enters the external ear until it is perceived in the brain.
What will be an ideal response?
When blood Ca2+ levels fall below normal, in what ways do the kidneys help restore them toward normal?
A. By decreasing 1,25-dihydroxyvitamin D3 formation, increasing tubular phosphate reabsorption, and increasing tubular Ca2+ reabsorption B. By increasing 1,25-dihydroxyvitamin D3 formation, decreasing tubular phosphate reabsorption, and increasing tubular Ca2+ reabsorption C. By increasing 1,25-dihydroxyvitamin D3 formation, increasing tubular phosphate reabsorption, and increasing tubular Ca2+ reabsorption D. By increasing renal secretion of parathyroid hormone and increasing bone resorption E. Increasing 1,25-dihydroxyvitamin D3 formation and increasing secretion of parathyroid hormone
A dentist identified the source of the college student's pain while chewing food or gum. Which cranial nerve was inflamed?
A) Trigeminal nerve B) Facial C) Vagus D) Olfactory
Which group of skin products works by precipitating protein, thus stopping discharge?
a. antiseptics b. caustics c. astringents d. soaks