Term Definition
Cell The basic unit of structure & function in living things
Organelle A tiny cell structure that carries out a specific function within the cell
Cell Wall A rigid layer of non living material the surrounds the cells of plants & some other organisms
Cell Membrane A cell structure that controls which substances can enter or leave the cell
Nucleus Directs all the cell's activities ("brain" of the cell)
Mitochondria Rod-shaped cell structures that produce most of the energy needed to carry out the cell's functions (Powerhouse)
Ribosome Where proteins are made (comes from the nucleus)
Endoplasmic reticulum A cell structure that forms a maze of passageways in which proteins &other materials are carried from one part of the cell to another
Golgi body A structure in a cell that receives proteins & other newly formed materials from the endoplasmic reticulum, packages them, & distributes them to other parts of the cell
Vacuoles The storage area of a cell (water, food, waste)
Lysosome A small round cell structure that contains chemicals that break down large food particles into smaller ones (cells clean-up crew)
Chloroplasts Capture energy from the sunlight & use it to produce food for a plant cell (traps sunlight)
Nucleolus Where ribosomes are made (inside of the nucleus)
Cytoplasm The area between the cell membrane & the nucleus. It contains a gel-like fluid in which many different organelles are found
1. Cell wall
2. Chloroplast
Parts of a cell that a plant has, but an animal does not
Cell part that an animal has, but a plant cell does NOT Lysosome
The vacuole of a plant is ___________ than that of an animal. bigger
Prokaryotic cell Does NOT have a nucleus that contains genetic material.
The genetic material looks like a tangled string, is found in the cytoplasm.
Example: Bacteria
Eukaryotic Cell A cell that has a nucleus that contains genetic material.
The cell has a nucleus enclosed with a nucleus membrane.
Example: Plants & Animals
Organization of many-called organism: 1.Cell 2.Tissue 3.Organ 4.Organ System 5.Organism

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