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Enzyme Reaction

Enzyme Reaction
In the reaction, C6H12O6+ 6O2 → 6CO2 + 6H2O + energy, which component is being oxidized?

CO2
H2O
C6H12O6
O2

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Enzyme Reaction
About 7.3 kcal/mole are released when

glucose is converted to CO2 and H2O
NAD+ is reduced to NADH
the terminal phosphate bond of ATP is broken by hydrolysis
ATP hydrolysis is coupled to sucrose synthesis

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Enzyme Reaction
A substrate binds to its enzyme at a location called the __________ site.

coenzyme
substrate
active
polypeptide

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Enzyme Reaction
An endergonic reaction is one that

requires energy in order to proceed
gives off much heat
looses energy
releases energy for work

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Enzyme Reaction
If the Keq for an enzymatic reaction is greater than 1, the reaction

can not occur without the input of energy
will be endergonic
both (a) and (b)
none of these

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Enzyme Reaction
The ability of a competitive inhibitor to bind to an active site in an allosterically controlled enzyme is __________ than the ability of a non-competitive inhibitor to bind to an active site in the same allosterically controlled enzyme.

lesser
half
approximately equal
greater

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