Biomolecules
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Biomolecules
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25 Questions

1. Carbohydrates - the most abundantbiomolecules on earth - are produced by:[2005]
2. The transfer RNA molecule in 3Dappears [2000]
3. Which one of the followinghydrolysesinternalphosphodiesterbonds in a polynucleotide chain? [2005]
4. Length of one turn of the helix in ab-form DNA is approximately [2000 - 06]
5. Which is an essential amino acid?[2000]
6. Carrier ions like Na+ facilitate theabsorption of substances like: [2010]
7. Transition state structure of thesubstrate formed during an enzymaticreaction is: [NEET 2013]
8. The basic unit of nucleic acid is[1991]
9. Which one contains four pyrimidinebases? [1994]
10. Mineral associated with cytochrome is
11. The catalytic efficiency of twodifferent enzymes can be compared bythe [2005]
12. Conjugated proteins containingcarbohydrates as prosthetic group areknown as [2000]
13. DNA synthesis can be specificallymeasuredbyestimatingtheincorporation of radio labelled [1997]
14. The pyrenoids are made up of [1995]
15. Cellulose - the most importantconstitutent of plant cell wall is made of[1998]115
16. Lipids are insoluble in water becauselipid molecules are [2002]
17. Minor changes at gene level aredescribed as
18. Which of the following is thesimplest amino acid? [2005]
19. An enzyme brings about [1993]
20. Enzymes having slightly differentmolecular structure but performingidentical activity are [1991]
21. A nucleotide is formed of [1991 - 05]
22. Which one of the followingbiomolecules is correctly characterized?[2012M]
23. Which is not consistent with doublehelical structure of DNA? [1990]
24. In which one of the followingenzymes - iscoppernecessarilyassociated as an activator? [2004]
25. In RNA - thymine is replaced by [1991 - 92]

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