Question # 1

An enzyme reacts only with its specific.

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Surface

Product

Substrate

Inhibitor

Lock and key model was proposed by

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Koshland

Emil Fisher

Watson

Flemming

Koshland in 1959 proposed the modified form of

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Fluid mosaic model

Induce fit model

Unit membrane model

Reflective index model

An activated enzyme made of polypeptide chain and a co-factor is

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Substrate

Co-enzyme

Apoenzyme

Holoenzyme

The rate of reaction of enzyme directly depends upon

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Amount of enzyme present at a specific time at unlimited substrate concentration

Nature of substrate

Maximum pH level

Low temperature

Poisons, like cyanide are examples of.

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Enzymes

Co enzymes

Inhibitors

Co factors

Induced fit model was proposed by.

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Emil Fischer

Pasteur

Jenner

Koshland

An activated enzyme with a co enzyme is called.

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Apoenzymes

Activators

Holo enzymes

Co enzymes

If protein part of co factor is covalently bond to enzyme, it is called is.

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Co- Enzyme

Prosthetic group

Activator

apoezyme

The detachable co factor of an enzyme is known as

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Co enzyme

Ap enzyme

Activator

Prosthetic group

The optimum pH of catalase is

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6.60

7.60

8.60

9.60

Optimum pH value for enzyme pepsin is.

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4.50

9.00

2.00

5.50

An activated enzyme consisting of a polypodies chain and a co factor is called.

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Apo enzyme

Co enzymes

Holo enzymes

Both a and b

Enzyme that are integral part of ribosomes are involved in the synthsis of

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Lipids

Carbohydrates

Proteins

None of these

the vitamins are essential raw material for the synthesis of.

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Activators

Co factors

Co enzymes

Prosthetic group

The reversible inhibitors usually constitute

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Strong linkage with enzyme

Weak linkage with enzyme

No Linage with enzyme

medium linkage

The rate of an enzyme catalyzed reaction

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Is constant under condition

Decreases as substrate concentration increases

Cannot be measured

Can be reduced by inhibitors

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