The function of the prostate gland is to:
A. manufacture and store sperm.
B. supply a fluid that increases acidity in the urethra.
C. supply a fluid that prevents the destruction of sperms.
D. manufacture male sex hormones.
C. supply a fluid that prevents the destruction of sperms.
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The steps necessary for hearing include (1) amplification of sound waves, (2) transfer of sound vibrations to fluid pressure waves, and (3) mechanoreception by hair cells of the cochlea. How are the sound vibrations transferred to fluid pressure waves?
A. by the bones of the middle ear B. through the oval window C. by the tympanic membrane D. by the action of the vestibular system
The resumption of plant growth and development after a period of seed dormancy is
A. fertilization. B. transpiration. C. pollination. D. stagnation. E. germination.
The requirement of cold weather before a
particular plant process occurs (e.g., germination) is known as a. the biological clock. b. vernalization. c. photoperiodism. d. biennial life cycle. e. biorhythm.
The adrenal medulla is stimulated to release catecholamines during sympathetic autonomic nervous responses.
Indicate whether the statement is true or false.