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Q. From the following, how many amino acids contain sulphur in their chemical structure?
Methionine, histidine, threonine, cysteine, alanine, tryptophan, valine

NTA AbhyasNTA Abhyas 2020Mineral Nutrition

Solution:

Sulphur is an essential element as it is required for amino acid synthesis and hence extremely crucial for protein synthesis. The amino acids methionine and cysteine are the two which contain sulphur. Sulphur is also important as it forms a part of many coenzymes and vitamins.