Fast-twitch muscle fibers ________.
Fill in the blank(s) with the appropriate word(s).
Answer: have few mitochondria
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The term oxidation is derived from the name of the element oxygen. This is reasonable, because oxygen
A. contains more electrons than are needed. B. passes electrons to many other types of molecules. C. attracts electrons very strongly. D. can be oxidized by accepting electrons.
The portion of a mature sperm that contains enzymes needed for fertilization is the ____
a. head b. midpiece c. body d. tail e. acrosome
Sweat is released by exocrine glands on the skin surface as a means to lower body temperature
Indicate whether the statement is true or false
Individuals with the disorder xeroderma pigmentosum are hypersensitive to sunlight. This occurs because their cells cannot_____
A) replicate DNA B) undergo mitosis C) exchange DNA with other cells D) repair thymine dimers