Bioenergetics Flashcards
_____ is the extent ofdisorder or randomness of the system and becomesmaximum as equilibrium is approached.
Entropy
The first law of thermodynamics states that the totalenergy of a system, including its surroundings, re-mains ____
Constant
∆G is negative, the reaction proceeds sponta-neously with loss of free energy; ie, it is ______
Exergonic
principal high-energy intermediate or carrier component i. Human body is_____
ATP
____: The greatest quan-titative source of ∼P in aerobic organisms.
Oxidative phosphorylation
BIOMEDICAL IMPORTANCE
Chemically, oxidation is defined as the removal of elec-trons and reduction as the gain of electrons. True?
Yes! LEORA; GEROA
many drugs, pol-lutants, and chemical carcinogens (xenobiotics) are me-tabolized by enzymes of this class, known as the
cy-tochrome P450 system
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____
niacin b3
_____ protect the body against harmfulperoxides.
Hydroperoxidases