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cytology

TermDefinition
Cytology A branch of biology that studies the structure and function of plant and animal cells.
Cell The basic unit of structure & function in all living things.
Organelle The structures inside the cell that act as specialized organs
Organism Refers to any individual living thing that can react to stimuli, reproduce, grow, and maintain homeostasis
Unicellular Single celled organism
Multicellular Having or consisting of many cells or more than one cell to perform all vital functions.
Prokaryotic A type of cell lacking a membrane-enclosed nucleus and other membrane-enclosed organelles; found only in the domains Bacteria and Archaea.
Prokaryotes Cells that have genetic material that is NOT contained in a nucleus
Eukaroytic A type of cell that has a membrane-enclosed nucleus and other membrane-enclosed organelles. All organisms except bacteria and archaea are composed of eukaryotic cells.
Eukaryotes Cells that contain a nucleus in which their genetic material is separated from the rest of the cell.
Cell theory All living things are composed of cells. Cells are the basic units of structure and function in living things. New cells are produced from existing cells.
Virus a small infectious agent that replicates only inside the living cells of other organisms.
Tissues Any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
Organs A group of tissues in a living organism that have been adapted to perform a specific function.
Diffusion/Passive transport The diffusion of particles or substances across the cell membrane without the use of energy.
Osmosis Diffusion of water through a selectively permeable membrane.
Active transport Energy requiring process that moves material across the cell membrane against a concentration gradient. For example: from a lower concentration to a higher concentration.
Semi-permeable Especially allowing the passage of a solvent but not of certain solutes.
Phagocytosis Cellular eating
Pinocytosis Cellular drinking
Created by: 1009739
 

 



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