Enzymes, vitamins and hormones can be classified into a single category of biological chemicals, because all of these

Which element is normally absent in proteins?

Protein which most abundant in human body is

Which of the following is not an aromatic amino acid ?

Guanylic acid is a

Which of the following is a homopolymer ?

In India the best source for proteins in herbivorous persons is

Proteins are conducted in the body in the form of

Which functional group participates in disulphide bond formation in proteins ?

Which is the most adundant protein in biosphere ?