Biological Question:

out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
A. Lipids are maximum
B. Carbohydrates are minimum
C. Carbohydrates are maximum
D. All three are in equal proportion

B. Carbohydrates are minimum

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Most highly intelligent mammals are A. whales B. dolphins C. elephants D. kangaroos	Most fish do not sink in water because of the presence of swim bladder air bladder air sacs air in spongy bones A. I and II are correct B. II and III are correct C. III and IV are correct D. I, II, III and IV are correct