Bioenergetics Flashcards

0
Q

_____ is the extent ofdisorder or randomness of the system and becomesmaximum as equilibrium is approached.

A

Entropy

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1
Q

The first law of thermodynamics states that the totalenergy of a system, including its surroundings, re-mains ____

A

Constant

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2
Q

∆G is negative, the reaction proceeds sponta-neously with loss of free energy; ie, it is ______

A

Exergonic

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3
Q

principal high-energy intermediate or carrier component i. Human body is_____

A

ATP

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4
Q

____: The greatest quan-titative source of ∼P in aerobic organisms.

A

Oxidative phosphorylation

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5
Q

BIOMEDICAL IMPORTANCE

Chemically, oxidation is defined as the removal of elec-trons and reduction as the gain of electrons. True?

A

Yes! LEORA; GEROA

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6
Q

many drugs, pol-lutants, and chemical carcinogens (xenobiotics) are me-tabolized by enzymes of this class, known as the

A

cy-tochrome P450 system

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7
Q

These dehydrogenases use nicotinamide adenine di-nucleotide (NAD+) or nicotinamide adenine dinu-cleotide phosphate (NADP+)—or both—and areformed in the body from the vitamin____

A

niacin b3

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8
Q

_____ protect the body against harmfulperoxides.

A

Hydroperoxidases

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