The classification of bacteria has historically been based on

A) the means of locomotion and thickness of cell wall.
B) microbial nutrition, physical appearance, and how they move.
C) the appearance of colonies and rate of growth.
D) pigments and presence of flagella.
E) nutrient requirements and pigments.


B

Biology & Microbiology

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__________________Indicate whether the statement is true or false.

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a. polysaccharides b. elastin

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The lack of rust in the oldest existing rocks suggested that the primitive atmosphere had little or no ____

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d. water vapor e. carbon dioxide

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Which is NOT true regarding temperate phages?

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