Enzymes Flashcards

1
Q

Oxidoreductase

A

redox reactions

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2
Q

Transferase

A

transfer of C-, N-, P- containing group

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3
Q

Hydrolase

A

cleavage by addition of water

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4
Q

Lyase

A

cleavage of C-C, C-S, C-N bonds

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5
Q

Isomerase

A

racemization of optical or geometric isomers

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6
Q

Ligase

A

formation of bonds between C and O, S, N coupled to hydrolysis of high-energy phosphates

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7
Q

transfer of C-, N-, P- containing group

A

transferase

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8
Q

cleavage by addition of water

A

hydrolase

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9
Q

cleavage of C-C, C-S, C-N bonds

A

lyase

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10
Q

racemizatino of optical or geometric isomers

A

isomerase

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11
Q

formation of bonds between C and O, S, N coupled to hydrolysis of high-energy phosphates

A

ligase

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12
Q

redox

A

oxidoreductase

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13
Q

holoenzyme

A

active enzyme with its nonprotein component

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14
Q

apoenzyme

A

inactive enzyme with its nonprotein component

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15
Q

cofactor

A

metal which acts like nonprotein moiety of holoenzyme

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16
Q

coenzyme

A

nonmetal which acts like nonprotein moiety of holoenzyme

17
Q

cosubstrate

A

coenzyme that only transiently associates with enzyme

18
Q

prosthetic group

A

coenzyme that is permanently associated with enzyme

19
Q

coenzymes frequently derived from _______

A

vitamins