Question # 1

An enzyme, which breaks down starch is:

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Protease

Amylase

Tripsn

Lipase

Anabolism constitute ................ processes.

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Construction

Destruction

Both a & b

None

Number of discovered enzymes are:

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200

2000

3000

3500

When we add more substrate to an already occurring enzymatic reaction and there is no increase in the rate of reaction what would you predict?

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All active sites have been occupied by substrate molecules

The enzyme molecules have denatured

More substrate acted as inhibitor

More substrate has disturbed the pH of the medium

Activation energy is required to:

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Activation enzyme

Start a reaction

Speed up a reaction

None

Almost all enzymes are:

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Carbohydrates

Fatty acids

Proteins

Vitamins

Prosthetic groups are:

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Required by all enzymes

Loosely attached with enzymes

Proteins in nature

Tightly bound to enzyme

metabolism is the some of the ................. proesses.

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Chemical

Physical

Both

None

Enzymes accelerate reactions by_______the activation energy needed for the reaction.

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Stopping

Raising

Lowering

Binding

Trypsin works at the PH of:

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2

4

8

6

The average temperature for human is ...............°C.

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35°C

36°C

37°C

38°C

Enzymatic reactions are _______ of times faster than uncatalyzed reactions:

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Millions

Hundreds

Thousands

Billion

Who used the term enzyme first time?

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Oscar Hertwing

Winhelm kuhne

W-Flemming

T.H.Morgan

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