Question # 1

The enzyme with optimum pH 5.50 is

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Arginase

Sucrase

pepsin

Enter kinase

Enzymes involved in respiration, are found in.

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Chloroplasts

Ribosome

Mitochondria

Nucleus

The raw material for co-enzymes are

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Lipids `

Proteins

Vitamins

None of these

Optimum pH values for enzyme arginase is

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7.60

9.70

8.60

9.52

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 optimum pH of salivary amylase is.

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2.80

4.80

6.80

8.80

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

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Substrate

Co-enzyme

Apoenzyme

Holoenzyme

Optimum pH for action of pancreatic lipase is

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3.00

5.00

7.00

9.00

Poisons, like cyanide are examples of.

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Enzymes

Co enzymes

Inhibitors

Co factors

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

Emil Fisher proposed a lock and key model in

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1990

1880

1890

1800

The inhibitor which may destroy the Globular structure of enzyme is.

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Competitive

Non competitive

Reversible

Irreversible

the vitamins are essential raw material for the synthesis of.

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Activators

Co factors

Co enzymes

Prosthetic group

Optimum pH for sucrase is

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2.00

4.50

5.50

7.60

If we add more substrate to already occurring enzymatic reaction and it has no effect on the rate of reaction, then what will be be the situation of the following

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Saturation

Denaturation

Composition

Inhibition

Prosthetic group is

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Covalenty bonded non-protein part of an enzyme

Loosely bonded non-proteins part of an enzyme

Co-factor consists of metal ions

None of these

The optimum pH of catalase is

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6.60

7.60

8.60

9.60

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

The competitive inhibitor of succinic acid is.

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Fumaric acid

Malonic acid

Acetic acid

Citric acid

An activated enzyme with a co enzyme is called.

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Apoenzymes

Activators

Holo enzymes

Co enzymes

Induced fit model was proposed by.

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Emil Fischer

Pasteur

Jenner

Koshland

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