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BIochem > Enzymes > Flashcards

Enzymes Flashcards

1
Q

Inc rate of rxn

A

Enzyme

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2
Q

Reactant aka

A

Substrate

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3
Q

Regulated frm a state of low activity to high activity & vice versa

A

Enzymes

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4
Q

Most enzymes are

A

Proteins

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5
Q

Peptide component aka

A

Apoenzyme

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6
Q

Cofactor aka

A

Coenzyme

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7
Q

Combined functional unit aka

A

Holoenzyme

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8
Q

Cofactor is

A

Non-peptide component

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9
Q

Cofactors that are tightly bound to the polypeptide

A

Prosthetic groups

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10
Q

Proteins w/o prosthetic groups

A

Simple proteins

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11
Q

Prosthetic groups are

A

Complex/conjugated proteins

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12
Q

Inactive form of apoenzyme

A

Proenzyme/Zymogen

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13
Q

Proenzyme aka

A

Zymogen

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14
Q

Contain several amino acids in the protein w/c are removed & allows the final specific tertiary structure to be formed before it is activated as an apoenzyme

A

Proenzyme/Zymogen

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15
Q

Common coenzymes eg

A

Vitamins

Metal ions

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16
Q

Metal ions used in enzymes as cofactors

A 
Zn
Mg
Mn
Fe
Cu
K
Na
17
Q

Tightly incorporated into protein struct by covalent/ noncovalent forces

A

Prosthetic groups

18
Q

Prosthetic groups eg

A

Deriv of Vit B

19
Q

FMN

A

Flavin mononucleotide

20
Q

FAD

A

Flavin adenine dinucleotide

21
Q

Pyridoxal phosphate

A

Prosthetic groups

22
Q

Thiamin pyrophosphate

A

Prosthetic groups

23
Q

Biotin

A

Prosthetic groups

24
Q

Metal ions Prosthetic groups

A 
Co
Cu
Mg
Mn
Zn
25
Enzymes that contain tightly bound metal ions
Metalloenzymes
26
6 Major classes of enzymes
``` Oxidoreductase Hydrolases Isomerases Transferases Lyases Ligases ```
27
Breaks down starch
Amylase
28
Breaks down fibers
Cellulase
29
Breaks down dairy products
Lactase
30
Breaks down fats
Lipase
31
Breaks down grains
Maltase
32
Breaks down proteins
Protease
33
Breaks down sugars
Sucrase

BIochem (14 decks)

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