What part of a spermatozoon contains the nuclear material?
A. Flagellum
B. Tail
C. Midpiece
D. Acrosome cap
E. Head
Answer: E
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Polymodal nociceptors
a. respond only to mechanical damage such as cutting, crushing, or pinching b. transmit impulses along A-delta fibers c. activate the slow pain pathway d. release prostaglandins e. do not react in any of the above ways
The light and dark bands of a sarcomere are generated by the overlap of:
a. actin and troponin b. actin and tropomyosin c. actin and myosin d. myosin and troponin e. myosin and tropomyosin
The cerebellum is the largest part of the brain.
Answer the following statement true (T) or false (F)
The spleen
A. filters damaged red blood cells from the blood. B. changes undifferentiated lymphocytes into competent lymphocytes. C. produces several different hormones with unknown function. D. is necessary for life. It can't be removed without causing death. E. has additional digestive functions.