Cell Transport / Cells Review

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What is active transport?

Back

Active transport is the movement of particles from an area of lower concentration to an area of higher concentration, requiring energy input.

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What is passive transport?

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

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What is a cell?

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A cell is the basic unit of living things, serving as the building block for all organisms.

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What is an isotonic solution?

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An isotonic solution is one where the concentration of solutes is equal inside and outside the cell, resulting in no net movement of water.

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What is a hypertonic solution?

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A hypertonic solution has a higher concentration of solutes outside the cell than inside, causing water to move out of the cell and potentially leading to cell shrinkage.

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What is a hypotonic solution?

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A hypotonic solution has a lower concentration of solutes outside the cell than inside, causing water to move into the cell and potentially leading to cell swelling or bursting.

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What is facilitated diffusion?

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Facilitated diffusion is a type of passive transport that uses proteins to help molecules pass through the cell membrane.

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What are chloroplasts?

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Chloroplasts are organelles found in plant cells that conduct photosynthesis, converting light energy into chemical energy.

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What is a cell wall?

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A cell wall is a rigid outer layer found in plant cells, providing structure and protection.

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What is a vacuole?

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A vacuole is a membrane-bound organelle in cells that stores nutrients, waste products, and helps maintain turgor pressure in plant cells.