Question

Match List I (Lipids) with List II (Properties):

• A. A-IV, B-I, C-II, D-III
• B. A-II, B-I, C-IV, D-III
• C. A-I, B-III, C-IV, D-II
• D. A-I, B-IV, C-II, D-III

Hint:

Choline = Outside; Serine = Negative; Ethanolamine = Neutral; DAG = Signal.

Answer 1

The Correct Option is D

Step 1--3: Analysis
Phosphatidylcholine = outer monolayer (A-I). Phosphatidylserine = net charge −1 at pH 7 (B-IV). Phosphatidylethanolamine = net charge 0 (C-II). DAG = signalling mediator (D-III).

Step 4: Conclusion
Correct mapping is A-I, B-IV, C-II, D-III.

Final Answer: (D)