SaraNextGen Study App [2023-24]
Last Updated On [03-11-2023]

Keeping in view the ‘fluid mosaic model’ for the structure of cell membrane, which one of the following statement is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other (described as flip-flop movement)?

a)

Both lipids and proteins can flip-flop

b)

While lipids can rarely flip-flop, proteins cannot

c)

While proteins can flip-flop, lipids cannot

d)

Neither lipids nor proteins can flip-flop


Question ID - 2887 :-

Keeping in view the ‘fluid mosaic model’ for the structure of cell membrane, which one of the following statement is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other (described as flip-flop movement)?

a)

Both lipids and proteins can flip-flop

b)

While lipids can rarely flip-flop, proteins cannot

c)

While proteins can flip-flop, lipids cannot

d)

Neither lipids nor proteins can flip-flop

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

Flip-flop movement is rarely found in molecules, whereas it remain absent in protein molecules.



Next Question :

Which of the following statements are correct?

I. Human RBC is about 7.0  in diameter

II. Cytoplasm is the main arena of cellular activities

III. The shape of the cells may vary with the function they perform

IV. Various chemical reactions occur in cytoplasm to keep the cell in the living state

Choose the correct option

a)

I, III and IV

b)

I, IV and II

c)

I, II, III and IV

d)

II, III and IV


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