Question # 1

What is true about cofactors?

Choose an answer

Break hydrogen bonds in proteins

Help facilitate enzyme activity

Increase activation energy

Are composed of proteins

The first step in the cycle of an enzyme is;

Choose an answer

Substrate binds to enzyme

Substrate converted

Products released

Enzyme become free

Optimum temperature for enzymes of human body is:

Choose an answer

86°C

37°C

38°C

39°C

Which one of the following convert protein to amino acids?

Choose an answer

Protease

Lipase

Both

None

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

Choose an answer

35°C

36°C

37°C

38°C

Lock and key model was proposed by ................. .

Choose an answer

Emil Fisher

Koshland

Freitz London

None

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

Choose an answer

Construction

Destruction

Both a & b

None

Non-protein part of enzymes are:

Choose an answer

Inhibitors

Substrate

Cofactors

Coenzymes

What is the effect of change in pH?

Choose an answer

Digradation of amino acids at active sites

Ionization of amino acids at active sites

Formation of new amino acids at active sites

All of these

Which of the following characters is not true about enzymes?

Choose an answer

Globular in shape

Non-specific

Protein in nature

Highly reactive

Trypsin works at the PH of:

Choose an answer

2

4

8

6

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

Choose an answer

Chemical

Physical

Both

None

Enzymes are ............. catalysts.

Choose an answer

Inorganic

Organic

Both a & b

None

More Classes

Other Links

9th Class Biology Chapter 6 Enzymes English Medium KPK Boards Online Mcqs MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer