Cell Key Terms
Terms
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- cell
- smallest unit of living matter
- cell membrane
- thin, flexible layer that protects the cell and regulates what enters and leaves it.
- cytoplasm
- gel area between the cell membrane and the nucleus
- mitochondria
- rod-shaped organelles that produce most of the cell's energy
- nucleus
- directs all cell activities
- cell wall
- stiff outer wall that gives plant cells a box-like shape
- vacuole
- sac that stores food, water, wastes and other materials
- endoplasmic reticulum - E.R.
- maze of passageways that carry materials throughout the cell
- ribosomes
- scall factories that produce protein
- Golgi bodies
- take materials from the E.R. to other parts of the cell
- lysosomes
- small organelles in some animal cells that break down food particles and waste
- chloroplast
- organelles in plant cells that capture energy from sunlight and use it to produce food for the cell
- chromatin
- strands that contain the genetic material/instructions that direct the cell
- nucleolus
- small structure inside the nucleus where ribosomes are made