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Unit 2 Quiz 1

TermDefinition
Cell The smallest functional and structural unit of all living organisms
Organism Any living thing
Cell Membrane Protective layer that covers a cell's surface and acts as a barrier between the inside of a cell and the cell's environment
Cytoplasm The region enclosed by the cell membrane that includes the fluid and all the organelles
Organelle A small body in a cell's cytoplasm that is specialized to perform a specific function
Nucleus The brain of the cell that contains the DNA in eukaryotic cells
Prokaryote A single-celled organism that does not have a nucleus or membrane-bound organelles
Eukaryote An organism made up of cells that contain their DNA in a nucleus and have membrane-bound organelles
Mitochondria Cellular respiration occurs here. Powerhouse of the cell. Has its own DNA.
Ribosomes An organelle that makes proteins by putting together chains of amino acids using instructions encoded in the cell's DNA.
Created by: Lisa K Ball
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