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Cells

Cells Science 7

TermDefinition
Cell the smallest unit that can perform life functions
Cell Membrane A protective layer around all cells
Cytoplasm -gelatin-like material in the cell -this is the region between the cell membrane and the nucleus where organelles are located
Prokaryotic Cell A cell that does not have membrane bound structures inside the cell
Eukaryotic Cell A cell with membrane bound structures inside the cell
Cell Wall Tough, rigid outer covering that protects the cell and gives it shape
Vacuole -stores food, water, waste -larger in plant cells
Organelles structures within the cytoplasm of a eukaryotic cells
Nucleus Directs all cell activities and contains DNA
Chloroplasts Green organelle that contains chlorophyll and is where food is made
Mitochondria Where energy is stored until it is released. Mitochondria releases energy by breaking down food, carbon dioxide, and water.
Ribosomes Protein structures. They are not membrane bound.
Nucleolus Where ribosomes are made
Endoplasmic Reticulum (ER) A series of folded membranes in which materials can be processed and moved around inside the cell.
Lysosome Contains digestive chemicals to help break down materials in cell.
Cell Organization Cell-> Tissue-> Organs-> Organ System
chlorophyll green pigment (inside PLANT cells) that captures light energy to make glucose (during photosynthesis)
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