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lesson 3 and 4
| Term | Definition |
|---|---|
| passive transport | is the movement of substances through a cell membrane without using the cell's energy |
| diffusion | is the movement of substances from an area of higher concentration to an area of lower concentration |
| osmosis | is the diffusion of water molecules only through a membrane |
| facilitated diffusion | when molecules pass through a cell membrane using special proteins called transport proteins |
| active transport | is the movement of substances through a cell membrane only by using the cell's energy |
| endocytosis | is the process during which a cell takes in a substance by surrounding it with the cell membrane |
| exocytosis | is the process during which a cell's vesicles release their contents outside the cell |
| cellular respiration | is a series of chemical reactions that convert the energy in food molecules into a usable form of energy called ATP |
| glycolysis | is a process by which glucose, a sugar, is broken down into smaller molecules |
| fermentation | is a reaction that eukaryotic and prokaryotic cells can use to obtain energy from food when oxygen levels are low |
| photosynthesis | is a series of chemical reactions that convert light energy, water, and CO2 into food energy molecule glucose and give off oxygen |
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spiveshy5637
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