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Vocabulary word list

vocab words

TermDefinition
cell basic unit of life
cell theory All living things are made up of cells: unicellular or multicellular All living things must carry out the life functions (by cells) cells derive (come) from other living (pre-existing) cells
organelle any of a number of organized or specialized structures within a living cell.
organism any living thing
Cytology study of cells
Nucleus control most cell activities
Diffusion movement of molecules from an area of high concentration to an area of low concentration
Osmosis is the diffusion of water
Active transport materials move from low to high area concentration
Phagocytosis "cell eating" taking in large undissolved particles into vacuoles
Pinocytosis "cell drinking" taking in large, dissolved molecules
Semi-permeable biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by diffusion—or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport
Mitochondria "powerhouse" of the cell releases atp energy for cellular respirstion
Ribosome small “dots” attached (to ER) or free-floating
Cell wall Rigid (stiff) cell structure gives plant cell its shape.
Viruses an infective agent that typically consists of a nucleic acid molecule in a protein coat, is too small to be seen by light microscopy, and is able to multiply only within the living cells of a host.
Centriole cylindrical shaped structures (right angle to each other) in animal cells NOT plants
Chloroplast Food factories/manufacturers contain green pigment called cytoplasm
Phylum a principal taxonomic category that ranks above class and below kingdom.
Endoplasmic reticulum sage of channels or canals to transport materials within the cell
Created by: liss3th
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