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Cell Vocab 1

TermDefinition
Cytology The scientific study of cells.
Cell The structural, functional and biological unit of all organisms.
Organelle One small part of a cell that has a very specific function or job.
Organism A living thing that can function on its own.
Unicellular An organism that has only one single cell.
Multicellular A complex organism, made up of many cells.
Prokaryotic Having cells that lack membrane-bound nuclei.
Prokaryotes A single-celled organism that doesn't have a nucleus.
Eukaryotic Having cells with `good' or membrane-bound nuclei.
Eukaryotes An organism whose cells contain a nucleus within a membrane.
Cell Theory The theory that cells form the fundamental structural and functional units of all living organisms.
Virus A disease-causing agent.
Tissues Part of the body of a living thing that is made of similar cells.
Organs A part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
Diffusion/Passive transport Transport of a substance across a cell membrane by diffusion
Osmosis The scientific process of transferring fluid between molecules.
Active Transport Transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient
Semi-permeable Polymeric membrane that will allow certain molecules or ions to pass through it by diffusion
Phagocytosis Process in which phagocytes engulf and digest microorganisms and cellular debris
Pinocytosis Process by which certain cells can engulf and incorporate droplets of fluid
Created by: ItzxVanna
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