Multiple choice

Which of the following statements is false?

P. The first enzyme molecule to be isolated in pure crystalline form was alkaline protease. Q. Synthesis of enzymes is regulated by inducer and repressor genes. R. DNA ligase is first isolated from bacteriophages. S. Ribozyme is RNA with enzyme activity.

Select the correct answer using codes given below:

  1. P and Q

  2. P and R

  3. P and S

  4. Q and R

  5. R and S
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The first enzyme molecule to be isolated in pure crystalline form was urease, prepared from the jack bean in 1926 by American biochemist J. B. Sumner. Synthesis of enzymes is regulated by operator and regulator genes.

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