1. a. How many moles of CaCl2 would be used in the making of 5.00 x 102 cm3 of a 5.0 M solution?
b. Battery acid is generally 3 M H2SO4. Roughly how many grams of H2SO4 are in 400mL of this solution?
c. Why does ice float on water?
2. a. Why must cells be small?
b. The RNA is Pre-Biotic? Justify your Answer.
3. How DNA triple helix stabilized. Assume, you have isolated a E coli mutant, which contains genome as triple helix. What way it will have different fundamental processes.
4. What is Collagen and a-keratin? Compare 1°, 2°, tertiary, and quaternary structures of collagen and a-keratin.
5. How do you determine shape and size of biomolecules in solution?
6. Can you suggest three techniques used for the identification and separation of sDNA and dsDNA and give principle of each of them?
7. What factors determine variability in terrestrial ecosystem productivity?
8. How feedback loops involved in regulation stomatal opening and closing.
9. a. You have purified a RNA binding protein from E.coli cell lysate. Can you design different experiments to confirm it?
b. What is tautomeric shift in a purine of pyrimidines base? Schematically explain how tautomeric shift in a base in DNA may lead to mutation.
10. What is programmed cell death? Give important features of the PCD. Give Instances, where it occurs during Plant Development.
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