BIO202 Final Term Solved Papers

March 1 at 9:09pm Bio202 11am 3 functions of cAMP.

• Acts as second messenger in the cell
• It has role in glycogen metabolism
• ↑cAMP, ↑glycogenolysis
• ↑cAMP ↑TAG metabolism
• ↑cAMP ↑ lipolysis marks

Q2. how banaspati ghee is produced from oil. (2 marks)

Q3. hydrogenation of fats. (3 marks)

Q4. interactions in DNA. (5 marks)

The purine and pyrimidine bases are hydrophobic and relatively insoluble in water at the nearneutral pH of the cell.

• Hydrophobic stacking

defined by James D. Watson and Francis Crick, in which

• A bonds specifically to T (or U) and
• G bonds to
• These two types of base pairs predominate in double-stranded

DNA and RNA.

Q5. sponification and its end products. (3 marks)

Q6. waxes its types and properties. (10 marks)

Esters of fatty acids with higher molecular weight monohydric alcohols. (having one OH group) A second group of neutral lipids that are of physiological importance

• Properties of waxes

• Waxes are insoluble in water, but
• soluble in fat solvents and are
• negative for acrolein test.
• very resistant to Rancidity
• Waxes are not easily hydrolyzed as the fats
• and are indigestible by lipases (enzymes responsible for fat digestion in body)