How many anatomical cavities does the thoracic cavity contain?
A. 1
B. 2
C. 3
D. 4
Answer: C
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Which of the following does not occur in the mitochondria?
A) electron transport B) glycolysis C) Krebs cycle D) formation of malic acid from fumaric acid
Tropomyosin covering the active sites is an example of
A) activation. B) enzyme-substrate reaction. C) competitive inhibition. D) noncompetitive inhibition. E) allosteric inhibition.
Which describes a characteristic of free radicals?
A. They are inert molecules that don't interact readily with other molecules. B. They rapidly oxidize other atoms by removing an electron. C. They have extra neutrons in their nuclei. D. They are found in high quantities in most sports drinks. E. They contain two electrons in the outermost orbital.
Where does most nutrient absorption occur?
A) in the mouth B) in the stomach, primarily in the body C) in the small intestine, primarily in the jejunum D) in the large intestine, primarily in the cecum E) in the large intestine, primarily in the transverse colon