Microm final

What organisms does an EMB agar plate select for?

Gram neg rods

What organisms does an EMB agar plate differentiate for?

Lactose fermenting colonies

What organisms does lauryl lactose select for?

Gram neg rods

What organisms does an mannitol salt agar plate select for?

Staphylococcus and micrococcus

What organisms does a macconkey agar plate select for?

Gram neg rods

What hemolysis has a green hue around a colony?

Alpha-hemolysis

What hemolysis has a clear hue around a colony?

Beta-hemolysis

What organisms does acinetobacter agar allow to grow?

Trip- and Trp+ cells

What is the gram morphology of streptococcus salivarus?

Gram positive cocci

What does an índole test do?

break down tryptophan leaving some of the molecule, índole

What does a methyl red test do?

Calls for abundant acid production from an organism resulting in a red color

What does a voges-proskauer test do?

Call for bacteria that uses butanediol fermentation to produce acetone resulting in a pink color after shaking

What does the citrate test do?

Tests if an organism can utilize citrate resulting in a blue color

What does an oxidase test do?

Identifies the presence of the enzyme cytochrome c oxidase resulting in a pink color

What does a catalase test do?

determines if an organism is a obligate aerobe resulting in the formation of bubbles