Most of the CO2 from the catabolism of glucose is released during _____
A) glycolysis
B) electron transport
C) chemiosmosis
D) the citric acid cycle
D
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Imagine an earthworm that has no chaetae. How would the lack of chaetae affect movement of the earthworm?
A. The earthworm would have difficulty changing locations, since it cannot anchor itself in the soil. B. The earthworm would be much flatter than normal since it has no hydrostatic skeleton. C. The earthworm would only be able to extend its body segments. D. The earthworm would only be able to shorten its body segments. E. The earthworm would not be able to move at all. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about the function of chaetae? What other information is related to the question? Choose Answer · Given what you now know, what information is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Which statement best describes the effect on the body due to pH changes either above or below the normal range?
A) pH ranges vary throughout the body; therefore, blood pH has no detrimental effects on the body as it changes pH. B) Changes in pH can denature proteins that serve as enzymes and receptors throughout the body, resulting in widespread effects on the body. C) Changes in pH destroy the nephrons of the kidney, making kidney failure is inevitable. D) Changes in pH can only lower pH causing acidosis, meaning organs deteriorate due to high levels of acid. E) Changes in pH out of the normal range are normal and will not have any detrimental effects on the body.
Which of these statements is false concerning covalent bonds?
a. Atoms share electrons. b. Molecules may possess many covalent bonds. c. Water contains polar covalent bonds. d. Covalent bonds may be "double bonds." e. In polar covalent bonds, electrons are shared equally.
Which of the following best describes what a spectrophotometer is used for?
a. to precisely determine the wavelengths of light reflected by a pigment b. to precisely determine the rate of light absorbed by a pigment c. to approximately determine the wavelengths of light absorbed by a pigment d. to precisely determine the wavelengths of light absorbed by a pigment