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Cells
cells
20
Science
8th Grade
03/31/2011

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Term
cell
Definition
the basic structural and functional unit of all organisms
Term
cell theory
Definition
the theory that cells form the fundamental structural and functional units of all living organisms
Term
eukaryote
Definition
an organism with cells characteristic of all life forms except primitive microorganisms such as bacteria
Term
prokaryote
Definition
a unicellular organism having cells lacking membrane-bound nuclei
Term
organelle
Definition
a specialized part of a cell
Term
ATP
Definition
the major source of energy for cellular reactions
Term
photosynthesis
Definition
synthesis of compounds with the aid of radiant energy
Term
protist
Definition
free-living or colonial organisms with diverse nutritional and reproductive modes
Term
cilia
Definition
 an organelle found in eukaryotic cells
Term
flagellum
Definition
 projection that protrudes from the cell body of certain prokaryotic and eukaryotic cells, and functions in locomotion. ...
Term
pseudopod
Definition
 temporary projections of eukaryotic
Term
bacteria
Definition
single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission
Term
virus
Definition
ultramicroscopic infectious agent that replicates itself only within cells of living hosts
Term
pathogen
Definition
any disease-producing agent
Term
mutagen
Definition
that can induce a genetic mutation or can increase the rate of mutation
Term
parasite
Definition
an animal or plant that lives in or on a host
Term
vector
Definition
a virus or other agent that is used to deliver DNA to a cell
Term
vaccine
Definition
immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies
Term
antibiotic
Definition
a chemical substance derivable from a mold or bacterium that can kill microorganisms and cure bacterial infections
Term
biotechnology
Definition
the branch of molecular biology that studies the use of microorganisms to perform specific industrial processes
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