In a protein molecule,various amino acids are linked together by:

Which of the following is an amphoteric acid?

Identify a protein present in nails

Globular protein is present in -

The bond that determines the secondary structure of proteins is or secondary structure of protein is due to

$A$ short peptide on complete hydrolysis produces $3$ moles of glycine $(G)$,$2$ moles of leucine $(L)$ and $2$ moles of valine $(V)$ per mole of peptide. The number of peptide linkages in it are $..............$.