Question # 1

Induced fit model was proposed by.

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Emil Fischer

Pasteur

Jenner

Koshland

The reversible inhibitors usually constitute

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Strong linkage with enzyme

Weak linkage with enzyme

No Linage with enzyme

medium linkage

The enzyme with optimum pH = 7.60 is

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Arginase

Enterokinase

Catalase

Sucrase

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

An enzyme is said to be denatured when

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It has no co-factor

It is in a condition of low temperature

Its structure is destroyed

None of these

The competitive inhibitor of succinic acid is.

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Fumaric acid

Malonic acid

Acetic acid

Citric acid

The active site of an enzyme

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Never changes

Forms no chemical bond with substrate

Determines by its structure the specificity of an enzyme

Looks like a lump projection from the surface of an enzyme

Optimum pH value for enzyme pepsin is.

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4.50

9.00

2.00

5.50

Poisons, like cyanide are examples of.

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Enzymes

Co enzymes

Inhibitors

Co factors

Enzyme lower down the energy of.

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Kinetic

Potential

Activation

Ionic

Optimum pH for sucrase is

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2.00

4.50

5.50

7.60

An enzyme with its co enzyme or prosthetic removed is designated as

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Activator

Co enzyme

Apo enzyme

Holoenzyme

The optimum pH of catalase is

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6.60

7.60

8.60

9.60

Metals is ions are related to.

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Co enzymes

Vitamins

Co factors

Substrate

The optimum pH of salivary amylase is.

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2.80

4.80

6.80

8.80

Competitive inhibitors

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Destroy the structure of enzyme

Resemble structurally with substrate

Do occupy active site

Both b and c are correct

An activated enzyme with a co enzyme is called.

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Apoenzymes

Activators

Holo enzymes

Co enzymes

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