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Cells

Cell Vocabulary

TermDefinition
cell theory the theory that cells form the fundamental structural and functional units of all living organisms.
Cell wall a rigid layer of polysaccharides lying outside the plasma membrane of the cells of plants, fungi, and bacteria.
cell membrane the semipermeable membrane surrounding the cytoplasm of a cell.
cytoplasm the material or protoplasm within a living cell, excluding the nucleus.
ribosomes a minute particle consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells.
organelle any of a number of organized or specialized structures within a living cell.
nucleus he central and most important part of an object, movement, or group, forming the basis for its activity and growth.
chloroplast a plasmid that contains chlorophyll and in which photosynthesis takes place.
mitochondria an organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur.
endoplasmic reticulum a network of membranous tubules within the cytoplasm of a eukaryote cell, continuous with the nuclear membrane.
Golgi body a complex of vesicles and folded membranes within the cytoplasm of most eukaryote cells, involved in secretion and intracellular transport.
tissue any of the distinct types of material of which animals or plants are made, consisting of specialized cells and their products.
organ a part of an organism that is typically self-contained and has a specific vital function, such as the heart or liver in humans.
organ system In biology, a biological system is a group of organs that work together to perform a certain task.
Vacuole
Created by: tpoudd1
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