Cats range in size from _____ to _____ pounds
Fill in the blank(s) with correct word
5 to 25
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In response to a stimulus, a signal transduction pathway is initiated, which ultimately leads to the opening or closing of __________
Fill in the blank with the correct word.
Secondary sexual characteristics, such as the beard of a male, are probably controlled by the balance of hormones.
a. true b. false
Why does muscle activity affect the temperature of the body?
A. The rate of chemical reactions increases in muscle fibers during contraction, so the rate of heat production also increases. B. Muscle contraction generates pyrogens which reset the body's internal thermostat to a higher temperature. C. Muscle activity directs more warm blood to the muscles away from the central core causing a cooling effect on your internal organs. D. Increased muscle activity causes a rise in adipose stores which increases the insulation value of the body.
Low dietary intake of cholesterol triggers cholesterol synthesis within the liver to increase
Indicate whether this statement is true or false.