Home › CBSE Class 12 (Science) › Chemistry › Biomolecules › Which fibrous protein is present in hair and wool?
Which fibrous protein is present in hair and wool?
AAlbumin
BInsulin
CHaemoglobin
DKeratin
Answer & Solution
Correct answer: D. Keratin
Keratin chains run parallel in fibres held by hydrogen and disulphide bonds, as in hair, wool and silk.
Related questions
What is the molar mass of anhydrous D-glucose in g/mol?Which water-soluble vitamins are generally readily excreted and not stored?Who coined the word vitamine from vital amine in 1912?Rickets in children is linked to deficiency of which vitamin?Pellagra is caused by deficiency of which vitamin?Beriberi results from a lack of which vitamin?Deficiency of which vitamin causes scurvy?How many vitamins are recognised as essential for humans?