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Group Work - Pure Culture

Group Work - Pure Culture

Q 1.Which of these plates is the best for isolating pure cultures? Why? Why? 2.Which plates do not have single colonies? 3.Which plate is the worst and what was probably done incorrectly?4.Plate D is an example of which technique?

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1.The best plate for isolating pure culture: B Because it uses Quadrant Streaking Method. The method is used to: • to get isolated bacterial colonies on the surface of agar plate • dilute bacteria on surface of agar medium until bacteria are spread well enough apart that when they grow, the colonies will be isolated • determine colony morthology of bacterium