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Microbiology practical 1

Biology2 CardsCreated 3 months ago

A flashcard set covering key concepts in bacterial growth media and Gram staining. Includes what grows on blood agar vs. MacConkey agar, and explains the structural differences and staining outcomes for Gram-positive (purple) and Gram-negative (pink) bacteria. Ideal for microbiology lab prep.

What will grow on the blood agar and the macconkey plate?

blood agar; anything will grow

macconkey plate; the bacteria must like bile/ bath salts

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Key Terms

Term
Definition

What will grow on the blood agar and the macconkey plate?

blood agar; anything will grow

macconkey plate; the bacteria must like bile/ bath salts...

For gram positive and negative explain the cell walls and the different colours

Gram +ve; cell wall appears thick and consists of numerous interconnecting layer of peptidoglycan
colour is purple

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TermDefinition

What will grow on the blood agar and the macconkey plate?

blood agar; anything will grow

macconkey plate; the bacteria must like bile/ bath salts

For gram positive and negative explain the cell walls and the different colours

Gram +ve; cell wall appears thick and consists of numerous interconnecting layer of peptidoglycan
colour is purple
Gram -ve; cell wall, contains a thinner, single layer of peptidoglycan and only has 2 or 3 layers
colour is pink