Cellular Transport

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What is Active Transport?

Back

A type of cellular transport that requires energy to move substances against their concentration gradient.

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What is Passive Transport?

Back

The movement of substances across a cell membrane without the use of energy, following the concentration gradient.

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What is Osmosis?

Back

The movement of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

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What is the Cell Membrane?

Back

An organelle that surrounds all cells, controlling what enters and leaves the cell.

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What is Tissue?

Back

A group of cells that work together to perform a specific function.

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What is the Endoplasmic Reticulum (ER)?

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An organelle that acts as a road system for proteins and lipids within the cell.

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What is Diffusion?

Back

The process by which molecules spread from areas of high concentration to areas of low concentration.

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What is Facilitated Diffusion?

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A type of passive transport that uses protein channels to help move substances across the cell membrane.

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What is the Golgi Apparatus?

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An organelle that modifies, sorts, and packages proteins and lipids for secretion or use within the cell.

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What is a Cell Wall?

Back

A rigid outer layer that provides support and protection to plant cells, not found in animal cells.