Proteins

Which protein structure is the most complex?  (primary / tertiary / quaternary) 

The spatial arrangement of subunits with respect to each other is known as _____ structure of proteins.

Amino acids are classified as acidic, basic, or neutral depending upon the relative number of amino and carboxyl acid groups in their molecule. Which among the following are acidic?

(a) 

(b) 

(c) 

(d) 

Amino acids are classified as acidic, basic, or neutral depending upon the relative number of amino and carboxyl acid groups in their molecule. Which among the following are acidic?

(a) 

(b) 

(c) 

(d) 

Amino acids are classified as acidic, basic, or neutral depending upon the relative number of amino and carboxyl acid groups in their molecule. Which among the following are acidic?

(a) 

(b) 

(c) 

(d) 

The primary structure of protein is based upon the

Formation of peptide bond involves

A tetrapeptide is made of naturally occurring alanine, serine, glycine and valine. If the $\mathrm{C}$-terminal amino acid is alanine and the $\mathrm{N}$-terminal amino acid is chiral, the number of possible sequences of the tetrapeptide is

Enzymes are carbohydrates that act as biological catalysts.

During denaturation of proteins, only _____ structure of protein is retained.

Write the name of amino acid which is optically inactive.

In fibrous proteins, polypeptide chains are held together by ______.

Cholesterol is an example of 

The secondary structure of a protein is determined by

In metabolic process the maximum energy is given by

Which one of the following molecules will form zwitter ion?

Write a note on (iii) Secondary structure of protein

Write a note on- Primary structure of the protein.