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Unit G Flashcards

(15 cards)

1
Q

What is METABOLISM?

A

The sum of all CHEMICAL REACTIONS

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2
Q

What is an ENZYME?

A

Proteins that SPEED UP CHEMICAL REACTIONS

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3
Q

What is a SUBSTRATE?

A

The MOLECULE an ENZYME acts on

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4
Q

What is a COENZYME?

A

Small MOLECULE that HELPS an ENZYME

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5
Q

What is ACTIVATION ENERGY?

A

The ENERGY needed to START ALL CHEMICAL REACTIONS

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6
Q

What is the “LOCK AND KEY” model?

A

THE ENZYME is like a “lock” and the SUBSTRATE is like a “KEY”

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7
Q

What role do VITAMINS play in BIOCHEMICAL REACTIONS?

A

They act as PRECURSORS to COENZYMES

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8
Q

What does an ENZYME do?

A

ENZYMES act as BIOLOGICAL CATALYSTS, they SPEED UP CHEMICAL REACTIONS

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9
Q

What does a COENZYME do?

A

COENZYMES assist ENZYMES and their FUNCTIONS

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10
Q

What relation does pH have to ENZYMES?

A

All ENZYMES need an optimal pH

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11
Q

What relation does TEMPERATURE have to ENZYMES?

A

TEMPERATURE increases ENZYME ACTIVITY

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12
Q

What relation does SUBSTRATE CONCENTRATION have to ENZYMES?

A

INCREASING SUBSTRATE increases ACTIVITY

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13
Q

What relation do COMPETITIVE INHIBITORS have to ENZYMES?

A

INHIBITORS compete with A SUBSTRATE for ENZYME SITES

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14
Q

What relation do HEAVY METALS have to ENZYMES?

A

HEAVY METALS bind to an ENZYME, causing DENATURATION

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15
Q

Order of BODY ORGANIZATION

A

CELL - TISSUE - ORGAN - ORGAN SYSTEM

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