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Cells

QuestionAnswer
Diffusion The movement of molecules from an area of high concentration to lower concentration.
Osmosis The diffusion of water from an area of high concentration to lower concentration across a selective membrane.
Nucleus The control center of the cell.
Cell membrane The flexible boundary of the cell that is selective about what it lets in and out of the cell.
Cytoplasm Fills the cell and helps support and move the organelles.
Endoplasmic Reticulum (E.R.) Can be smooth or rough. Rough E.R. contains ribosomes and helps to make and transport proteins.
Lysosome Helps manage and get rid of waste in the cell.
Cell Wall Only found in plant cells. Gives shape and structure to the cell.
Chloroplast Only found in plant cells. Contains chlorophyll (green pigment) that helps plants make food.
Mitochondria Powerhouse of the cell where chemical energy (from food) is transferred into mechanical energy for the cell.
Created by: kgwilson