Exam 4 Flashcards by Sindy Ulloa

Q

A

regulate the sodium/potassium balance in cellular fluids.

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Q

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agonist

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Q

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reduced coenzymes; CO2

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Q

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antagonists to the histamine receptor sites.

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growth hormone (GH)

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Q

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a central structure of four connected rings.

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NAD+ is the oxidized form of NADH

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Q

A

a series of reactions regenerates the initial reactant.

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Q

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dopamine

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Q

A

use an exergonic reaction to drive an endergonic reaction.

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Q

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Testosterone

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Q

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catabolism

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Q

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negative; are

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Q

A

regulatory hormones released by the pituitary gland upon stimulation from the hypothalamus.

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Q

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releases; exergonic

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Q

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3, 1, 5, 6, 4, 2

Q

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both A and B

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digestion; acetyl-CoA production; citric acid cycle; ATP production

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its hydrolysis releases an intermediate amount of energy and is relatively slow except in the presence of the appropriate enzymes.

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linear

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energy needed for unfavorable reactions must be available in the form of heat.

Q

A

All statements are true.

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A

increase the concentration of monoamine neurotransmitters.

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A

epinephrine

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A

water

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A

proteins

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the ion gates are opened and ions freely flow across the membranes.

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A

spiral

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ATP; acetyl-CoA; NADH; FADH2

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receive messages and cause chemical changes within the target cell.

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citric acid cycle; ATP

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I and III

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cytoplasm

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hypothalamus

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It triggers a slow response requiring hours, days, months, or even years.

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Hormones are very specific, affecting only one chemical reaction.