Single Choice

Select the correct option: Cell recognition and adhesion are facilitated by components of the plasma membrane. These components are generally.

AProtein molecules alone
BLipids alone
CBoth lipids and proteins
DGlycolipids and glycoproteins
Correct Answer

Solution

Proteins have very specific shapes which make them ideal as receptor molecules for chemical signaling between cells. Branching side chain glycolipids on the outer surface of cell membranes are also involved in cell-cell recognition.
So, the correct answer is 'Glycolipids and glycoproteins'.

SIMILAR QUESTIONS

Cells - The Unit of Life

What would happen if the plasma membrane ruptures or breaks down?

Cells - The Unit of Life

Integral cell membrane proteins.

Cells - The Unit of Life

According to the modern concept, cell membrane is

Cells - The Unit of Life

Select the correct option: Cell membrane is selective permeable. This means that is

Cells - The Unit of Life

Integral cell membrane proteins

Cells - The Unit of Life

The molecules in the membrane that limit its permeability are the

Cells - The Unit of Life

Who gave the lamellar or sandwich model of cell membrane?

Cells - The Unit of Life

A scientist wanted to genetically engineer a new type of corn plant that could withstand cold temperatures. He decided to try to change the composition of the plant's membrane to lower the temperature of phase transition. Which of the following membrane changes might be expected to improve the cold tolerance of the plants?

Cells - The Unit of Life

What would happen to the life of a cell if the plasma membrane ruptures or breaks down ?

Cells - The Unit of Life

Explain the association of carbohydrate to the plasma membrane and its significance.

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