Biological Molecules – Online MCQs Test – Biology MCAT

1. strands of DNA are bonded by

2. Among the following, which acid is an unsaturated acid:

3. Alpha helix and beta pleated sheets are examples of:

4. Carbohydrates, the most abundant biomolecules on earth, are produced by

5. A polysaccharide found In plants whose function is storage is

6. Among the energy values or nutrients, 9.1 calories is that of

7. These are frequently associated with cellular membranes:

8. Cn(H₂O)n is a general formula of:

9. Starches are stored in:

10. According to Koshland:

11. In a phospholipid molecule phosphoric acid is attached to the carbon number _________ of glycerol:

12. The irreversible inhibitors often contain reactive functional groups e.g.:

13. The carbohydrates taken by humans in diet is mainly:

14. Glycosidic bond is a _________ bond between two monosaccharides:

15. Following are the condensation products of polyhydroxy aldehyde or polyhydroxy ketone subunits, EXCEPT:

16. Mostly the enzymes are potentially damaging:

17. The ‘R’ for glycine is:

18. Why heat cannot be used as activation energy in living system ?

19. To make a peptide bond one amino acid loses ______ and _______ other loses

20. Starch and cellulose are the compounds consist of many units of