A. Number of polypeptide chains involved
B. Bending of polypeptide chains
C. Amino acid sequence
D. Coiling of polypeptide chains
Related Mcqs:
- Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong____________?
A. Globular proteins
B. Fibrous Proteins
C. Both a and b
D. None of these - The element in basic structure of proteins which differentiate them from carbohydrates________?
A. C
B. S
C. H
D. N - Percentage of proteins in cell membrane is____________?
A. 20-40%
B. 40-50%
C. 60-80%
D. 80-100% - Proteins and lipids are converted into glycolipids and glycoproteins by adding carbohydrates by___________?
A. Ribosomes
B. Cytoplasm
C. Golgi apparatus
D. Endoplasmic reticulum - Biological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called_____________________?
A. Cofactor
B. Coenzymes
C. Activator
D. Enzymes - Chemical component/s less in eukaryotic cell as compared to prokaryotic cell is / are (i) lipids (ii) carbodydrates (iii) proteins (iv) DNA_________________?
A. i & ii
B. iii & iv
C. i ii iii & iv
D. iv only - Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong________?
A. Globular proteins
B. Fibrous Proteins
C. Both a and b
D. None of these - Interconversion of carbohydrates proteins and lipids in living cells are an example of____________?
A. Coordinated catabolic activities
B. Coordinated anabolic activities
C. Both A and B
D. Any one - Which of the following are proteins in nature?
A. Antibodies.
B. Interferons
C. Antitoxins
D. All of these - Formation of heat shock proteins in plants results in___________?
A. Elevation of temperature in cold conditions.
B. Embracing the enzymes and other proteins and prevent their denaturation.
C. Change the chemical nature of other proteins thus making them heat resistant.
D. Help in evaporative cooling.
