Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Biotechnology -Principles and Processes

Question:

Read the given paragraph and answer the question:

Taq polymerase is the preferred DNA polymerase in PCR because:

Options:

It is obtained from a fast breeding bacteria.

It can bind with the primers efficiently.

It remains active during high temperature.

It has high turnover rate.

Correct Answer:

It remains active during high temperature.

Explanation:

The correct answer is Option (3)- It remains active during high temperature.

The enzyme ‘Taq polymerase’ which is used in PCR, has been isolated from a bacterium, Thermus aquaticus), which remain active during the high temperature induced denaturation of double stranded DNA .