If E. coli can ferment lactose to form an acid and a gas, you expect the fermentation broth to be yellow and a bubble trapped in the Durham tube. a) True b) False 1b) What color would phenol red appear at pH 6.2?

If E. coli can ferment lactose to form an acid and a gas, you expect the fermentation broth to be yellow and a bubble trapped in the Durham tube. a) True b) False 1b) What color would phenol red appear at pH 6.2?

Surgical Tech For Surgical Tech Pos Care

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ISBN:9781337648868

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Chapter16: Ophthalmic Surgery

Section: Chapter Questions

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Question

1a) If E. coli can ferment lactose to form an acid and a gas, you expect the fermentation broth to be yellow and a bubble trapped in the Durham tube.

a) True

b) False

1b) What color would phenol red appear at pH 6.2?

a) red

b) orange

c) yellow

d) colorless

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