Integral or Peripheral proteins classification is based on

(A)protein size

(B)ease of extraction

(C)ease of function

(D)ease of study

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Difficulty Level:

The most improved model of the structure of the cell membrane is

(A)Fluid membrane model

(B)Fluid mosaic model

(C)Sandwich model

(D)unit membrane model

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Difficulty Level:

Lateral movement of which of the following biomolecules takes place within the overall bilayer

(A)lipids

(B)carbohydrates

(C)proteins

(D)Both A and C

High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The ability to move within the membrane is measured as its

(A)liquidity

(B)fluidity

(C)viscosity

(D)stability

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Difficulty Level:

The fluid nature of the membrane is also important from the point of view of functions like

(A)cell growth

(B)secretion

(C)cell division

(D)All of the above

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Difficulty Level:

The most important function of plasma membrane is the

(A) transportation of molecules across it

(B)cell division

(C)cell growth

(D)endocytosis

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Difficulty Level:

The movement of molecules with and without requirement of energy are called as

(A)active and passive respectively

(B)passive and active respectively

(C)uphill and downhill respectively

(D)Both A and C

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Difficulty Level:

In membranes carrier proteins are required for

(A)nonpolar molecules

(B)polar molecules

(C)charged molecules

(D)Both B and C

High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The movement of water across membranes is from

(A)higher to lower concentration of water

(B)lower to higher concentration water

(C)outside of the cell to its inside

(D)Both A and C

High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The transport of sodium and potassium ions through the membranes is an example of