Cell membrane spends energy in:

Movement of solute from higher to lower concentration

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Movement of solute from lower to higher concentration

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Movement of solvent

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All of these

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Solution

The correct option is B
Movement of solute from lower to higher concentration

Movement of solute from lower to higher concentration means that the movement is happening against the concentration gradient. Thus, it needs energy in the form of ATP and is known as active transport.

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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

Q. The movement of solvent molecules from higher concentration to lower concentration through semipermeable membrane under pressure is termed:

If osmosis is the movement of solvent only from higher concentration to lower concentration then how did the semi permeable membrane stop the flow of solvent from lower concentration to higher concentration?

Q. The movement of solvent molecules into the region of higher solute concentration through semipermeable membrane is called

Q. __________ process refers to the movement of solute molecules from a region of higher concentration to a region of lower concentration.

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Cell membrane spends energy in:

The correct option is B Movement of solute from lower to higher concentration Movement of solute from lower to higher concentration means that the movement is happening against the concentration gradient. Thus, it needs energy in the form of ATP and is known as active transport.

The correct option is B
Movement of solute from lower to higher concentration

Movement of solute from lower to higher concentration means that the movement is happening against the concentration gradient. Thus, it needs energy in the form of ATP and is known as active transport.