NEET Biology question

Select the correct statement from the following regarding cell membrane.

(A)Na⁺ and K⁺ ions move across cell membrane by passive transport
(B)Proteins make up 60 to 70% of the cell membrane
(C)Lipids are arranged in a bilayer with polar heads towards the inner part.
(D)Fluid mosaic model of cell membrane was proposed by Singer and NicolsonCorrect

Answer: (D)

Solution

Singer and Nicolson proposed the fluid mosaic model of the cell membrane in 1972, correctly describing it as dynamic and fluid. Na⁺ and K⁺ actually move largely via active transport (Na⁺-K⁺ pump), not

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-112013