Question

$\huge\bold\red{Question}$
Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one. Can you pick out the option among the following which does not belong to this process?

(a) The movement of water across a semipermeable membrane is affected by the amount of substances dissolved in it.

(b) Membranes are made of organic molecules such as proteins and lipids.

(c) Molecules soluble in organic solvents can easily pass through the membrane.

(d) Plasma membranes contain chitin sugar in plants.

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Answer 1

Answer:

Hey, here is your answer:)

Correct answer option no. (D)

Explanation:

1. Osmosis is the movement of water through a semipermeable membrane according to the concentration gradient of water across the membrane, which is inversely proportional to the concentration of solutes.

2. Membranes are made of organic molecules like proteins and lipids. The ratio of protein and lipids vary considerably in different cell types. In human beings, the membrane of the erythrocyte has approximately 52 per cent protein and 40 per cent lipids.

3. Molecules soluble in organic solvents can easily pass through the membrane as the membrane is lipophilic.

4. Cell walls of fungi contain chitin sugar.

So, the correct answer is 'Plasma membrane contain chitin sugar in plants.

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