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Cell Vocab

Vocabulary words

TermDefinition
Cell The smallest structure and functional unit of an organism.
Cell Theory Cell theory states that living things are composed of one or more cells, that the cell is the basic unit of life, and that cells arise from existing cells.
Organelle(s) any of a number of organized or specialized structures within a living cell.
Organism an individual animal, plant, or single-celled life form.
Cytology the branch of biology concerned with the structure and function of plant and animal cells.
Nucleus The control center of the cell.
Diffusion The movement of particles.
Osmosis Osmosis is when a substance crosses a semipermeable membrane in order to balance the concentrations of another substance.
Active Transport the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
Phagocytosis phagocytosis is to ingest solid particles into the cell.
Pinocytosis the ingestion of liquid into a cell by the budding of small vesicles from the cell membrane.
Semi-Permeable allowing certain substances to pass through it but not others, especially allowing the passage of a solvent but not of certain solutes.
Mitochondria an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
Ribosome(s) a minute particle consisting of RNA and associated proteins.
Cell Wall A rigid wall, found only in plant cells, that gives the cell more structure.
Viruses An infected agent that multiplies within the cells on a host.
Centriole(s) Organelle involved in the division of animal cells.
Chloroplast Organelles found in a plant cell, having the job of photosynthesis.
Phylum a level of classification or taxonomic rank below kingdom.
Endoplasmic Reticulum Transfers materials from and to organelles in a cell.
Created by: TigerZing
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