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Cells/Types of Cells

TermDefinition
Cell The smallest unit of life that can live on it’s own and makes up all living things and the tissues of the body
Multicellular Having or consisting of many cells(humans, fish)
Unicellular An organism made of one cell that carries out all the necessary functions for the organism(some algae, protozoans, some bacteria)
Prokaryote A unicellular organism that lacks a nucleus, mitochondria, or any other membrane-bound organelle
Eukaryote An organism consisting of a cell or cells in which the genetic material is DNA in the form of chromosomes contained within a distinct nucleus
Nucleus Enclosed organelle containing DNA in the form of chromosomes. Found in eukaryotic cells.
Membrane A biological membrane that separates and protects the interior of all cells from the outside environment.
Endosymbiosis A symbiotic relationship where one organism lives inside the other. Origin of mitochondria and chloroplasts.
Surface Area Measure of the total area on the outside of the cell
Volume A three-dimensional measure of space occupied or displaced by an object, usually expressed in cubic units
Organelle A subcellular structure that has one or more specific jobs to perform in the cell
Phospholipid Bilayer A two-layer arrangement of phosphate and lipid molecules that form a cell membrane. The hydrophobic fatty acid tails face inward and the hydrophilic glycerol and phosphate heads face outwards.
Ribosome A complex molecular machine found living inside the cells that produce proteins from amino acids during a process called protein synthesis
Created by: megan_dunnock
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