Question # 1

Enzymatic reactions are _______ of times faster than uncatalyzed reactions:

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Millions

Hundreds

Thousands

Billion

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

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Chemical

Physical

Both

None

There are about ............. to ........ enzymes in cell.

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1000-2000

1000-2050

2000-6000

2000-3000

Which one of the following convert lipids to fatty acids?

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Protease

Lipase

Both

None

Which one of the following convert protein to amino acids?

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Protease

Lipase

Both

None

Beriberi can be produced by the lack of ......... .

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Vitamin A

Vitamin B

Vitamin BI

Vitamin C

Metabolism is of ............... types.

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1

2

3

4

The substance on which an enzyme act is called:

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Cofactor

Inhabitor

Coenzyme

Substrate

Vitamin which acts as co-enzyme is:

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Vitamin A

Vitamin K

Riboflavin

All of these

The optimum temperature for human enzyme is between:

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10-20°C

20-35°C

35-40°C

5-10°C

Almost all enzymes are:

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Carbohydrates

Fatty acids

Proteins

Vitamins

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

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All actives sites have been occupied by substrate molecules

The enzyme molecule have denatured

More substrate acted as inhibitor

More substrate has disturbed has disturbed the pH of the medium

The building units of enzymes are:

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Fatty acids

Glycerol

Nucleic acid

Amino acid

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