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7th Chapter 2

Virus and Bacteria

virus A tiny, non-living particle that enters and then reproduces inside a living cell.
host An organism the provides a source of energy for a virus or another organism.
bacteriophage A virus that infects a bacteria.
parasite An organism that lives on or in a host and cause it harm.
bacteria A single celled organism that is a prokaryote. (Does NOT have an nucleus)
cytoplasm The region inside the cell membrane and contains a gel like material.
ribosome Circular structures located in the cytoplasm where proteins are produced.
flagellum A long, whip like structure that helps a cell move.
respiration The process of breaking down food to release energy.
binary fission A process in which one cell divides to form two identical cells. A form of asexual reproduction.
asexual reproduction A reproductive process that involves only one parent and produces offspring that are identical to the parent.
sexual reproduction Involves two parents who combine their genetic material to produce a new organism which differs from both parents.
conjugation The process of one bacterium as it transfers some of its genetic material into another bacterium through a thin, threadlike bridge.
endospore A small, rounded, thick-walled, resting cell that forms inside a bacterial cell.
pasteurization The process of heating food to a temperature that is high enough to kill most harmful bacteria without changing the taste of the food.
decomposer Bacteria that live in soil. These organisms bread down large chemicals in dead organisms into small chemicals.
round, bullet shaped, tube shaped, robot-like What are some shapes of viruses?
Created by: jamimurray