Cell Transport

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What is cell transport?

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Cell transport refers to the movement of substances across the cell membrane, which can occur through various mechanisms such as passive and active transport.

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What is passive transport?

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Passive transport is the movement of substances across a cell membrane without the use of energy, typically moving from an area of higher concentration to an area of lower concentration.

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What is active transport?

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Active transport is the movement of substances against their concentration gradient, from an area of lower concentration to an area of higher concentration, requiring energy.

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What is facilitated diffusion?

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Facilitated diffusion is a type of passive transport that uses transport proteins to help move substances, such as glucose, across the cell membrane.

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What is osmosis?

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Osmosis is the diffusion of water molecules across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

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What is a protein pump?

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A protein pump is a type of transport protein that uses energy to move ions or molecules across a cell membrane against their concentration gradient.

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What is turgor pressure?

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Turgor pressure is the pressure exerted by the fluid inside the central vacuole of a plant cell against the cell wall, helping maintain the cell's structure.

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What is a hypotonic solution?

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A hypotonic solution is one where the concentration of solutes is lower outside the cell than inside, causing water to flow into the cell.

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What is a hypertonic solution?

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A hypertonic solution is one where the concentration of solutes is higher outside the cell than inside, causing water to flow out of the cell.

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What is diffusion?

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Diffusion is the passive movement of particles from an area of higher concentration to an area of lower concentration until equilibrium is reached.