Insulin is

The number of amino acids and number of peptide bonds in a linear tetrapeptide (made of different amino acids) are respectively

Match the following types of proteins with their properties:

Type of Protein	Their Properties
$(A)$ Fibrous	$1$. Hydrogen bonding
$(B)$ Globular	$2$. Water soluble
	$3$. Spherical shape
	$4$. Disulphide linkage

$A$ codon has a sequence of $\underline{A}$,and specifies a particular $\underline{B}$ that is to be incorporated into a $\underline{C}$. What are $\underline{A}, \underline{B}, \underline{C}$?
$\underline{A} \quad \underline{B} \quad \underline{C}$

At which $pOH$ values is the isoelectric point of an amphoteric amino acid typically found?

Which amino acid from the following is $NOT$ synthesized in our body?