Amino acids show amphoteric behaviour. Why?

(a) Write the product when D-glucose reacts with conc. HNO_(3) . (b) Amino acids shown amphoteric behaviour. Why ? (c ) Write one difference between alpha -helix and beta -pleated structures of proteins.

(a) Write the product when D-glucose reacts with conc. HNO_(3) . (b) Amino acids shown amphoteric behaviour. Why ? (c ) Write one difference between alpha -helix and beta -pleated structures of proteins.

Give any one property of glucose that cannot be explained by the open chain stucture ( b) Compare amylase with amylopectin in terms of constituting stucture . (c )Why do amino acids show amphoteric behaviour ?

In zwitter ionic form,amino acids show amphoteric behabiour.

Amino acids show amphotric behaviour. Explain why ?

Give reasons for the following Amino acids are amphoteric in behaviour.