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Chapter 21 Through 23 Study Guide

Across
A genus of Rod shaped, gram negative bacteria.HINT many of them can only grow inside living cells
A compound of iodine.
Reduces or abolish its pathegencity
A thick walled cell produced by bacterium. HINT it is resistant to antibiotics.
a form of non-ionizing radiation
Kill viruses
Smallest known bacteria that can grow and reproduce outside of a living cell.
Two being linked end the end of each other.
Kill hatched insects
substances or other agents that destroys harmful microorganisms
multiplies by binary fission
Organisim capable of producing disease.
any bacterium that has a spherical shape
Down
A sample, as of blood or bacterial cells, spread on a slide for microscopic examination or on the surface of a culture medium.
Organism from which a parisite obtain its nourishment
Most of these cells are unicellular, although some are colonial
forms a haloid salt; especially, chlorine, bromine, and iodine
Physical method of sterilization.
Unicellular and muticellular organisms. (Often filamentous)
Spherically shaped bacteria that occur in chain.
The smallest organism which causes disease.
a measure of the hydrogen ion concentration of a solution
phenolic group of aromatic organic compounds