For every atom of carbon in a carbohydrate
A. there are approximately four atoms of hydrogen.
B. there is approximately one atom of hydrogen.
C. there are approximately two atoms of hydrogen.
D. there are approximately three atoms of hydrogen.
Answer: C
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Female ferrets are induced ovulators and may experience ______________, elevated blood estrogen levels seen in intact cycling female ferrets if not bred
Fill in the blank(s) with correct word
Which of the following statements is true regarding tissue and organ transplants??
A) ?A blood transfusion is an example of an tissue transplant. B) ?Organ transplant patients need to continue medical treatment for the rest of their lives. C) ?The most common type of rejection is acute rejection. D) ?All of the answers are correct.
Which of the following is NOT an effect of sympathetic stimulation of the heart?
A. an increase in heart rate B. a decrease in the duration of systole C. a decrease in the slope of the pacemaker potential D. an increase in the amount of Ca2+ entering cardiac muscle cells E. an increase in the rate of cross-bridge cycling in ventricular muscle cells
Which of the following is TRUE about how water is handled by the nephron?
A. Water is actively secreted into the descending loop of Henle. B. Vasopressin inserts pumps in the collecting duct membrane that move water against its concentration gradient. C. Water is actively reabsorbed from the proximal tubule, and Na+ follows down its diffusion gradient. D. Water is filtered out of glomerular capillaries by bulk flow. E. The permeability of the ascending limb of the loop of Henle is modified by vasopressin.