What regulates blood flow through a capillary bed?
a. arteriole flow
b. venule flow
c. heart rate
d. precapillary sphincter status
e. amount of salt in the blood
ANSWER: d
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ALL stratified lakes contain a thermocline
Indicate whether the statement is true or false.
Which mechanism of genetic transfer utilizes a sex pilus?
A. Transformation B. Transduction C. Conjugation D. All of the answers are correct
People would take calcium supplements to help them avoid:a
osteitis. b. osteoporosis. c. osteophoresis. d. osteoarthritis. e. osteon disease.
An organism acquires a mutation in the gene for pyruvate dehydrogenase that renders the protein unable to bind NADH. What is the most likely consequence of this mutation?
A. Substrate level phosphorylation will cease to occur. B. Fats will be oxidized at a higher rate than normal. C. Pyruvate oxidation will cease to occur. D. ATP synthesis will proceed at a high rate even when the cell has an ample supply. E. Pyruvate will not be able to enter the mitochondria.