The HaloEd Project

A web site dedicated to microbiology education

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Introduction

FAQs

Q: What do cells look like under the microscope?

A: Cells are rod-shaped and motile.They will appear phase bright in a phase microscope if they produce gas vesicles. In the absence of these organelles, they appear dark.

 

Q: When looking at colonies, how can I tell the difference between the Vac+ and Vac- phenotype? 

A: The Vac+ colonies appear pink and opaque, while the Vac- colonies appear red and translucent.

 

Q: Do they stain either Gram positive or Gram negative?

A: They cells have a pink color to them, and stain Gram negative.

 

 

Teacher's nook

Ecology

Role in food chain

Motility

Radiation resistance

Cellular energetics

Genetics

Genome sequence

Bioinformatics

Biotechnology

Patents

Lesson plans

Co-teaching hints

Molgent

FAQ

Further reading

Contacts

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