Protein on reaction with which yields Ruhemann's purple?

Hormones thyroxin,adrenaline and the pigment melanin are formed from

How many types of amino acids are involved in protein synthesis?

$S$ - Statement: Hemoglobin is a conjugated protein.
$R$ - Reason: Hemoglobin contains globin protein in its structure.

Select the correct option for the following matches:

$(1)$ Contractile protein	$(a)$ Immunoglobulin
$(2)$ Protein produced by cells	$(b)$ Globular protein
$(3)$ Protein that gives color to the iris	$(c)$ Actin
$(4)$ Protein for muscular movement	$(d)$ Melanin

$A$: Tertiary structure of protein is absolutely necessary for many biological activities of proteins.
$R$: In protein,only right-handed helices are observed.