Why do we stain bacteria?

How do dyes and stains work?

How does the methylene blue stain work?

What is a basic dye and how does it work?

What is an acid dye and how does it work?

What is the purpose of using oil immersion?

How is oil immersion carried out?

What is the size range of bacteria?

What are some of the most common bacterial cell shapes?

Why is Gram staining used?

What are the characteristics of gram-positive bacteria?

What are the characteristics of gram-negative bacteria?

What are bacterial spores?

What are the 8 basic elements of bacterial colony morphology?

How can bacteria be fixed onto a slide?

What are the potential shapes of bacterial colonies as seen by the naked eye?

What are the different types of margins a bacterial colony may possess?

What are the different potential types of elevation of a bacterial colony?

How can the size of a bacterial colony be described?

What terms can be used to describe the potential different surface textures of bacterial colonies?

What are some of the most common pigments/colourations displayed by bacterial colonies?

Where bacterial colonies group together, what are the three main types of groupings observed?

What are the 4 main terms used to describe the opacity of a bacterial colony?

What are the most commonly observed shapes of individual pathogenic bacterial cells?