Globular protein is present in -

Which of the following statements is false?

The correct zwitter ion structure of glycine is

Peptide linkage is:

Which characteristic of $Proline$ (an amino acid) distinguishes it from other naturally occurring amino acids?

Which of the following statements are correct?
$A$) $\alpha$-amino acids present in proteins are $L$-amino acids.
$B$) Amino acids contain both $-NH_2$ and $-COOH$ groups.
$C$) The number of amino groups and carboxylic groups is always the same in amino acids.
$D$) Tyrosine was first obtained from cheese.
Choose the correct alternatives from below: