Active transport is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration.

True

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False

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Solution

The correct option is A True
Active transport is the movement of molecules across a cell membrane from a region of their lower concentration to a region of their higher concentration. Since such a movement happens against the concentration gradient, it cannot happen naturally, and needs energy in the form of ATP to be carried out.

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Similar questions

Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement of a separating membrane is called

(a) Osmosis (b) Diffusion

Q. The movement of water molecule from a region of higher concentration to a region of its lower concentration through a semi permeable membrane is called Osmosis.
a) In the above statement, how will you differentiate active transport from passive transport ?

Question 6
Which among the following defines osmosis the best?

(a) Movement of water molecules from a region of higher concentration to a region of lower solute concentration through a semipermeable membrane
(b) Movement of solvent molecules from its higher concentration to a lower concentration
(c) Movement of solvent molecules from a higher concentration to a lower concentration of solution through a permeable membrane
(d) Movement of solute molecules from a lower concentration to a higher concentration of a solution through a semipermeable membrane

Osmosis is the movement of _________ molecules from a region of higher concentration to a region of lower concentration through a semipermeable membrane.

Q. Movement of the molecules of solids, gases or liquids from the region of their higher concentration to the region of their lower concentration is known as ___________.

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