Biomolecules
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Biomolecules
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25 Questions

1. Which is not consistent with doublehelical structure of DNA? [1990]
2. Most diverse macromolecules - foundin the cell both physically andchemically are [1996]
3. Two free ribonucleotide units areinterlinked with [1995]
4. Enzymes having slightly differentmolecular structure but performingidentical activity are [1991]
5. Cellulose - the most importantconstitutent of plant cell wall is made of[1998]115
6. Which is an essential amino acid?[2000]
7. Apolysaccharide - whichsynthesized and stored in liver cells - [1995]
8. Mineral associated with cytochrome is
9. Most abundant organic compound onearth is [2001]
10. The enormous diversity of proteinmolecules is due mainly to the diversityof [1998]
11. RNA does not possess [1988]
12. Transition state structure of thesubstrate formed during an enzymaticreaction is: [NEET 2013]
13. Which of the following is thesimplest amino acid? [2005]
14. Which one contains four pyrimidinebases? [1994]
15. Which one of the followingbiomolecules is correctly characterized?[2012M]
16. One of the similarities between DNAand RNA is that both [2000]116
17. Carrier ions like Na+ facilitate theabsorption of substances like: [2010]
18. An organic substance bound to anenzyme and essential for its activity iscalled [2006]
19. Due to discovery of which of thefollowing in 1980 the evolution wastermed as RNA world? [2001]
20. Which is distributed more widely ina cell?
21. Types of RNA polymerase required innucleus for RNA synthesis? [2001]
22. Protein synthesis in an animal celltakes place [1997]
23. Enzymes enhance the rate ofreaction by [2000]
24. Carbohydrates - the most abundantbiomolecules on earth - are produced by:[2005]
25. In RNA - thymine is replaced by [1991 - 92]

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