$HC\equiv CH$ $\xrightarrow[HgSO_4]{H_2SO_4} (A)$ $\xrightarrow[(1) NH_3 + HCN]{(2) H_3O^{\oplus}} (B);$ The product $(B)$ of the given reaction is:

Which of the following is $NOT$ a globular protein?

Which from the following is $NOT$ a globular protein?

Coagulation of egg white on boiling is an example of denaturation of protein. Explain it in terms of structural changes.

The number of $>C=O$ groups present in a tripeptide $Asp-Glu-Lys$ is.......

Within the list shown below, the correct pair of structures of alanine in $pH$ ranges $2-4$ and $9-11$ is:
$I$. $H_{3}N^{+}CH(CH_{3})COOH$
$II$. $H_{2}NCH(CH_{3})COO^{-}$
$III$. $H_{3}N^{+}CH(CH_{3})COO^{-}$
$IV$. $H_{2}NCH(CH_{3})COOH$