Multiple choice

The metalloprotein(s) containing molybdenum as cofactor is/are

P. Xanthine oxidase Q. Nitrate reductase R. Hydrogenase

  1. Only P

  2. Only Q

  3. Both P and Q

  4. Both Q and R

  5. All of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Metalloprotein is a protein that contains a metal ion cofactor. Molybdenum containing metalloproteins are Xanthine oxidase, Nitrate reductase, Sulfite oxidase, etc. Hydrogenase contains Nickel-Iron as cofactor.