Which statement about the internal biological clock is false?

a. It is known as a circadian rhythm.
b. It relates to the opening and closing of stomata.
c. It includes the sleep movements observed in some plants, such as beans.
d. It may involve both phytochrome and cryptochrome.
e. It disappears totally if it is not reset by the rising and setting sun.


e

Biology & Microbiology

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Fill in the blank(s) with the appropriate word(s).

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How does the human male body respond to a decrease in testosterone in the bloodstream?

a. The hypothalamus releases testosterone. b. The hypothalamus releases GnRH. c. The Sertoli cells release testosterone. d. The Leydig cells release FSH. e. The Leydig cells release inhibin.

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Which of the following are symptoms of the inflammatory response?

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Biology & Microbiology