Which is the most important structural component of the body?

Which type of amino acids are Glutamine,Serine,Tyrosine,and Cysteine?

Which of the following exhibits properties of both acids and bases?

$A$: Hemoglobin is a molecule formed by interactions between four heme groups.
$R$: Hemoglobin is a quaternary protein.

The structure of protein which gives a three-dimensional view is:

Which of the following macromolecules is found in the structure of hormones and enzymes?