All of the muscle fibers within a single motor unit are of the ________ type(s).
Fill in the blank(s) with the appropriate word(s).
same
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FAD and NAD are coenzymes that act as ________ in biochemical reactions.
hydrogen carriers oxygen carriers energy carriers vitamin carriers
A man with hypertension takes a diuretic that is not potassium-sparing, and he does not increase his ingestion of potassium. Which of the following side-effects would the drug be most likely to cause?
A. increased blood volume B. depolarized neuronal cell membranes C. hyperkalemia D. cardiac arrhythmia E. All of these side effects would occur.
This is a diagram of calcium homeostasis. What process is represented by "B"?
A. Calcium is lost in urine. B. Calcium is removed from blood by osteoblasts. C. PTH promotes calcium reabsorption from urine. D. Vitamin D promotes calcium absorption. E. PTH promotes calcium release into blood by osteoclast.
A couple is trying to calculate the chance of genetic traits in their potential offspring. From family history, the man presumes he is heterozygous for the height gene via the "tall" allele (T). His partner is short in stature, so she believes she is homozygous for the height gene via the "short" allele (t). Assuming the "tall" allele is completely dominant, what is the chance that their offspring would be tall in stature?
A. 50% B. 75% C. 25% D. 100%