Multiple choice

Which of the following enzymes contain both zinc and calcium ions?

P. Alcohol dehydrogenase Q. Neutral protease R. DNA polymerase S. α-Amylase

  1. P and Q

  2. P and R

  3. Q and R

  4. Q and S

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

This option is correct because neutral protease and α-amylase contain zinc (Zn2+) and calcium (Ca2+) ions.

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