Which of the following are proteins in nature?

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. 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

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. 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

5. Proteins comprise of ___________% of the total dry weight of a cell?

   A. 40%
   B. 50%
   C. 60%
   D. 70%

6. Proteins are polymers of___________?

   A. Fatty acids
   B. Isoprenoid units
   C. Amino acids
   D. Nucleotides

7. 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

8. 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

9. Carbohydrates, fats & proteins are essential for_______________?

   A. Metabolic processes of an organism
   B. Providing energy
   C. Formation of sturctures
   D. All of these

10. Cell use _______ to make proteins?

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

    Submitted by: Kiran