12 terms

Cells: Parts and Functions

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Cell
The smallest functional and structural unit of all living organisms.
Cell membrane
Outer covering of ALL cells made of phospholipids
Organelle
Small bodies in a cell's cytoplasm that are specialized to perform specific functions
Nucleus
A large organelle in all eukaryotic cells which contains DNA
Cytoplasm
The fluid inside the cell that contains the various cell organelles.
Cell wall
Rigid structure that surrounds the membranes of PLANT cells and provides support to the cell.
Ribosome
Small organelle in the cytoplasm where proteins are made; Some float freely, others attach to endoplasmic reticulum.
Endoplasmic reticulum
A series of folded membranes that are used to transport proteins and other substances around in the cell.
Chloroplast
Green, chlorophyll- containing organelle used by plant cells for photosynthesis.
Mitochondrion
Organelles that release energy to the cell by breaking down lipids and carbohydrates; Known as the "powerhouse" of the cell.
Golgi complex
Organelles that help make and package complex molecules to be stored in vesicles for later use or transported out of the cell
Lysosomes
Organelle containing digestive chemicals (enzymes) that help break down food, cell wastes and worn-out cell parts.