When molecules move from the area of lower concentration to the area of higher concentration and energy is used, it is called:

Filtration

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Osmosis

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Active transport

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Passive transport

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Solution

The correct option is C
Active transport

Active transport is the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by proteins and requiring energy.

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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 ?

When molecules move from the area of lower concentration to the area of higher concentration and energy is used, it is called

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. Match the terms to these definitions.
Diffusion, osmosis, impermeable, differentially permeable, fluid mosaic model, micellar theory, endocytosis, exocytosis, passive transport, active transport, microvilli, desmosomes, chemoreception
..........The passage of molecules through the membrane from a high concentration to a low concentration region.

Q. Passive transport molecules move from low to high concentration

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When molecules move from the area of lower concentration to the area of higher concentration and energy is used, it is called:

The correct option is C Active transport Active transport is the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by proteins and requiring energy.

The correct option is C
Active transport

Active transport is the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by proteins and requiring energy.