The ________ of a sperm contains the enzymes essential for fertilization
A) acrosomal cap
B) neck
C) middle piece
D) flagellum
E) None of the answers is correct.
Answer: A
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Most cells generate ATP and other high-energy compounds by breaking down carbohydrates, especially
A) ribose. B) galactose. C) sucrose. D) fructose. E) glucose.
Which bone would likely take the longest to heal?
A) thigh bone of an elderly individual B) finger bone of a young individual C) thigh bone of a young individual D) finger bone of an elderly individual
Skeletal muscles help maintain body temperature in that
A) excess myosin is quickly metabolized to yield heat. B) they conserve actin and myosin in cold weather. C) the more active they are, the more heat is released. D) the more active they are, the more heat is used up.
Unmyelinated axons within nerves may have which of these associated with them?
A) Schwann cells B) nodes of Ranvier C) oligodendrocytes D) both B and C