Structure and Functions of Proteins
Structure and Functions of Proteins: Overview
This Topic covers sub-topics such as Proteins, Amino Acid, Essential Amino Acids, Structure of Haemoglobin, Primary Structure of a Protein, Secondary Structure of Protein, Non Essential Amino Acid, Peptide Bond and, Tertiary Structure of a Protein
Important Questions on Structure and Functions of Proteins
Given below are two statements:
Statement I: A protein is imagined as a line, the left end represented by first amino acid (C-terminal) and the right end represented by last amino acid (N-terminal).
Statement II: Adult human haemoglobin, consists of 4 subunits (two subunits of type and two subunits of type).
In the light of the above statements, choose the correct answer from the options given below:
Explain beta turn in proteins.
Which among the following is a non-polymeric biomolecule that can be found in acid insoluble fraction?
For being functional, a protein has to acquire at least
Amino acids have both an amino group and a carboxyl group in their structure. Which amongst the following is an amino acid?
Haem is the prosthetic group of _____ enzyme.
When assembly of more than one polypeptide occur, it is known as _____ structure of protein.
Which structure is absolutely necessary for many biological activities of proteins?
Biologist describes protein at _____ levels.
Protein act as a
Essential amino acids are those which are
How many amino acids are used to form protein?
Which of the following amino acids contain sulphur?
Methionine and cysteine contain an element which is
What are the types of amino acid?
Which of the following is the simplest amino acid?
How many chains are present in a normal haemoglobin (Hb A) in adults?
How many subunits are present in one haemoglobin molecule?
Lysine and tryptophan are
Amino acids not synthesized in the body are called
