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5.1: Bacteria Characteristics

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

TermDefinition
bacilli Rod-shaped.
cell wall Tough outer layer of bacterial cells that helps support and protect the cell; also found around plant cells.
cocci Sphere-shaped.
flagella Tail-like structures that help bacteria move.
nucleoid DNA, contained in a large circular strand, forming a single chromosome.
parasite Organism that benefits in a symbiotic (parasitism) relationship in which one organism is harmed.
peptidoglycan Complex molecule consisting of sugars and amino acids that makes up the bacterial cell wall.
plasmid Small ring of additional DNA.
spirilli Spiral-shaped.

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Description
Difficulty Level:
At Grade
Grades:
7 , 8
Date Created:
Nov 29, 2012
Last Modified:
Aug 30, 2016
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SCI.LSC.631.L.1