Proteins are polymers of___________?

Related Mcqs:

1. 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

2. Percentage of proteins in cell membrane is____________?

   A. 20-40%
   B. 40-50%
   C. 60-80%
   D. 80-100%

3. Proteins and lipids are converted into glycolipids and glycoproteins by adding carbohydrates by___________?

   A. Ribosomes
   B. Cytoplasm
   C. Golgi apparatus
   D. Endoplasmic reticulum

4. 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

5. Primary structure of proteins determines__________?

   A. Number of polypeptide chains involved
   B. Bending of polypeptide chains
   C. Amino acid sequence
   D. Coiling of polypeptide chains

6. 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

7. The element in basic structure of proteins which differentiate them from carbohydrates________?

   A. C
   B. S
   C. H
   D. N

8. 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.

9. Which of the following proteins have role in heredity?

   A. Chromo-proteins
   B. Lipo-proteins
   C. Phospho-proteins
   D. Nucleo-proteins

   Submitted by: Nimra Shah

10. Cell use _______ to make proteins?

    A. DNA
    B. RNA
    C. Ribosomes
    D. Cytoplasm

    Submitted by: Kiran