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Chapter 4

Cells In Action

QuestionAnswer
What is diffusion? When molecules move from areas where there's a lot of them to areas where there's less of them
What is osmosis Diffusion that uses liquid/water
Why is osmosis important? It maintains a balance (homeostasis) in the cell
Where does photosynthesis occur in the plant? Chloroplast
Where does cellular respiration occur in the animal cell? In the mitochondria
What is active transport? Does it require energy? When it's a low area of concentration to an area of high concentration
What is passive transport? Does it require energy? When it's a high area of concentration to an area of low concentration
Why do animal cells need respiration? It's how they get energy
Why do plant cells need photosynthesis? They get glucose and energy from it
What is endocytosis? When molecules are transported by vesicles into the cell (food)
What is exocytosis? When molecules are transported by vesicles out of the cell (waste)
What is vesicle? A transport and storage structure in the cell's cytoplasm
Created by: mikhaelahood