6.3 enzyme kinetic equations Flashcards

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1
Q

given A+B—> P what what does that mean

A

A and B are reactants p is the product

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2
Q

how is rate expressed

A

quantity of A or B (concentration) in a given time interval

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3
Q

-delta A/ delta t is equal to

A

-delta B/ delta t = delta P/ delta t i

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4
Q

rate constant

A

rate of rxn is proportional to prodcut of the [] of the reactants.k is the rate constant. rate = delta P/ delta t = k[A][B]

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5
Q

is k the rate constant dependent on temp

A

yes

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6
Q

the higher the value of k or the great the conetration of reactants, the rxn is

A

faster

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7
Q

what does the shape of the concertation of product vs time indticate

A

velocity decreases as substrate concetration decreases. flattening of curve means eqlbrm is reaches, saturation of substrate

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8
Q

first order A–> P depends on

A

rate constant and concetration of A/one substrate

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9
Q

second order rate constants A+B—> P deoend on

A

rate cosntants and and substrets

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10
Q

what are pseudo first order rates

A

A+B—> P. B is present in excess and A is present in low concetratoions. will be first order w.respect to A and will not depend on B. rate= k[A]1[B]0

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11
Q

zero order rate constants

A

rate=k, not dependednt on concetration of reactants but some other factores such as presence of catalyst

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