Purines and pyrimidines are__________________?

Related Mcqs:

1. Purines and pyrimidines are_________________?

   A. Enzymes
   B. Nitrogenous bases
   C. Carbohydrates
   D. Lipids

2. Common example of carbohydrates are__________________?

   A. Cellulose glycogen galactose
   B. Glyceraldehydes glucose peptone
   C. Glycerol phospho lipids collagen
   D. Legumin amylopectin albumin

3. The Lewis acids are__________________?

   A. Electron deficient
   B. Electron rich
   C. Octet is complete
   D. No such acids exist

4. The leements in which d or f orbitals are in the process of completion are__________________?

   A. outer transition elements
   B. inner transition elements
   C. typical transition elements
   D. transition elements

5. Noble gases are named so because they are__________________?

   A. less reactive
   B. Zero group elements
   C. Having completely filled valence shell
   D. All

6. The important monomers of acryclic resins is__________________?

   A. Vinyl chloride
   B. Styrene
   C. Methylmethacrylate
   D. Hexamethylenediamine

7. Animal and vegetable fats are___________________?

   A. Glycerols
   B. Fatty acids
   C. Triesters formed from glycerol and fatty acids
   D. Tetraesters formed from glycerol and fatty acids

8. The mechanism by which the genetic information can be duplicated is called_________________?

   A. Duplication
   B. Transcription
   C. Replication
   D. Mutation

9. All proteins yield ___________ upon complete hydrolysis?

   A. Nitrogen
   B. Amino acids
   C. Carbon and hydrogen
   D. Sulphur

10. Rate of enzymatic reaction is directly proportional to the concentration of___________________?

    A. Enzyme
    B. Substrate
    C. Enzyme and substrate
    D. Enzyme and product