Question

Which of the following is made up of amino acid?
A) Amylase
B) Glycogen
C) Phospholipids
D) Polysaccharides
E) Ribonucleic acid

Answer 1

Hint:Amino acids contain amine and carboxyl functional groups, along with a side chain which is specific to each amino acid. These are organic compounds . The essential amino acids are not made in the human body, these are taken through food rich in protein such as meat , eggs ,etc.

Complete answer:
>Amylase is an enzyme and enzymes are made up of proteins .Protein itself are made up of a chain of several amino acids(Polymer of amino acids).
>Glycogen is a multibranched polysaccharide of glucose which has a highly branched structure. It serves as energy storage in animals, fungi and bacteria. It is made of linear chains of glucose residues with an average chain length of approximately 8–12 glucose units.
>Phospholipids are made up of phosphate and lipids.These are the molecules which have hydrophilic phosphate heads and hydrophobic lipid tails. They are components of cellular membranes.These regulate certain cellular processes, and possess both stabilizing and dynamic qualities that can aid in drug delivery.
>Ribonucleic acid also called RNA. It is a nucleic acid.It is a single stranded molecule. It is produced mostly in the nucleus but passes out into the cytoplasm. Like DNA, the nucleotides in RNA are also linked serially by phosphate groups each linking the C-5' and C-3' of the ribose sugars of the successive nucleotides. RNA transmits the information from the nucleus to the ribosomes, the site of protein synthesis. There are three types of RNA in every cell : (i)Ribosomal RNa or rRNA. (ii) Messenger RNA or m- RNA (iii) Transfer RNA or t- RNA (also called soluble RNA or s-RNA).

Hence the correct answer is option ‘A’.

Note:There are two types of amino acids :
(i) Essential amino acids: The ten α-amino acids which are indispensable for human beings but are not synthesised in their body and must be provided through diet are known as essential amino acids.
(ii) Non-essential amino acids: Those sixteen α-amino acids which can be synthesised in our body are called non-essential amino acids.