Most neurons contain a large number of mitochondria. Which characteristic of neurons does this reflect?
A. High demand for free fatty acids
B. High demand for glucose
C. High level of aerobic metabolism
D. Sensitivity to hypoglycemia
Answer: C. High level of aerobic metabolism
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A person with heart failure is experiencing an increase in fluid returning to the venous circulation. Which body structures are most likely to visibly indicate this is happening?
A. Right and left atria B. Coronary arteries C. Tissues in the periphery D. Pulmonary arteries
Mendelian inheritance specifies that if two heterozygous individuals mate, the chances that a child would be homozygous for the recessive allele would be
A. 50%. B. 25%. C. 75%. D. impossible to predict.
The citric acid cycle
A) begins with the formation of a molecule of citric acid. B) directly produces most of the ATP from the catabolism of glucose. C) consumes two moles of carbon dioxide. D) contains enzymes called cytochromes. E) forms acetyl-CoA from glucose-6-phosphate.
The ridge of oral mucosa that surrounds the base of a tooth is the
A) vestibule. B) gingiva. C) alveolus. D) uvula. E) faux.