Precursor of melanin is________________?
Correct answer: C. Tyrosine
- A. Phenylalanine
- B. Tryptophan
- C. Tyrosine
- D. Methionine
Explanation
Tyrosine is converted by tyrosinase into DOPA and subsequently into melanin. Phenylalanine can contribute indirectly because it is first converted to tyrosine.
Last updated
Practise Proteins and Amino Acids
55 free Proteins and Amino Acids MCQs from Biochemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Biochemistry questions like this
Biochemistry is on 3 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
A small Ca+2 binding protein that modifies the activity of many enzymes and other proteins in response to changes of Ca+2 concentration is known as______________?
ALbumin is synthesized by_____________?
Albumins and globulins are ________ proteins?
All are components of basement membrane except________________?
All of the following are globular proteins except_______________?