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Pbio Prelims > Enzymes PT1 > Flashcards

Enzymes PT1 Flashcards

1
Q

Organic catalyst prtoeins produced by living organisms

A

Enzyme

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2
Q

Facilitates or speed up the reaction. And maintains life

A

Catalyst

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3
Q

Temp for enzymes

A

Best at 35-40 optimal is 37 body temp

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4
Q

Enzyme only binds to a substrate or molecules w/ complementary

A

Shapes structure configuration

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5
Q

Active form has protein portion apoenzyme and non protein cofactor

A

Holoenzyme

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6
Q

Inorganic metal or organic vitamin

A

Cofactor

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7
Q

Inactive precurrsor of enzyme. Requires biochemical change to become active

A

Zymogen

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8
Q

What defiency cant produce tyrosinase

A

Albinism needing in converting melanin

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9
Q

Zn-carbonic anhydrase

A

Catalyzed H2CO3— H20+CO2

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10
Q

Mg-Hexokinase

A

Important in the glycolysis pathway

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11
Q

Ni-Urease

A

Catalyzed area—— NH3+co2

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12
Q

Cu-Cytochrome oxidase

A

Electrin transport chain

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13
Q

Cu-Tyrosinase

A

Converts tyrosine to melanin

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14
Q

FAD- Flavin adenine dinucleotide

A

Vit B2 transfer of electrons

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15
Q

NAD nicotinamide

A

Vit B3 transfer of electrons in oxidation reduction reacx

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16
Q

Pyridoxal phosphate-pyridoxine

A

Vit b6 transfer of aminogrp deamination reac

17
Q

Thiamine pyrophosphate

A

Vit B1 transfer of aldehyde groups

18
Q

Coenzyme A panthotetic acid

A

Vit B5 transfer of acyl group

19
Q

Organic nutrients of various nature required in small quantites for multiple biochemical reactions for growth and survival

A

Vitamins

20
Q

Most prominent function prosthetic group for enzymatic function

A

Coenzyme

21
Q

History of vitamins

A

Hopkins 20th

22
Q

Coined term vita= life +amine

A

Funk

23
Q

Characteristics of Vitamins

A

Not synthesized by body
Non plastic
Not energy source
Essential vital process
Used for medicinal purposes non specific tool high dosage

24
Q

Lack/deficiency of vitamin

A

Hypovitaminosis/avitaminosis

25
Q

Overdose/toxic dose of vitamine

A

Hyper vitaminosis

26
Q

Vitamins are destroyed by

A

Cooking or storage
Exposure to oxygen (vit C)
Exposure to UV light

27
Q

Fat soluble vitamins

A

A,D,E,K

28
Q

Water soluble

A

B complexes
B1,B3,B5,B6,B9,B12

29
Q

Vitamin like substances

A

Coenzyme Q Ubiquinone
B4 B8 B11 B13 B15 VIT U, VIT N

Pbio Prelims (11 decks)

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