NEET Previous Year Question

Select the correct statement from the following regarding cell membrane :-

Topic: NEET PYQ

Answer: B. Full step-by-step solution below.

  1. ALipids are arranged in a bilayer with polar heads towards the inner part
  2. BFluid mosaic model of cell membrane was proposed by Singer and Nicolson
  3. CNa+ and K+ ions move across cell membrane by passive transport
  4. DProteins make up 60 to 70% of the cell membrane

Correct answer: B

Solution

(b)

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