Nuffield Foundation
Maintaining and Preparing Cultures of Bacteria and Yeasts
Don't let your bacteria go to waste. A tutorial explains how to properly store and maintain bacterial stock cultures. It describes the purpose and preparation of a permanent stock, as well as a working stock for use in experiments.
Curated OER
Multiplying Microbes
Ninth graders investigate the techniques of culturing bacteria. They culture bacteria using agar plates. Students identify and describe some environmental conditions that effect bacteria growth.
BiologyWise
Biology Wise: What Is Mannitol Salt Agar?
Mannitol salt agar is a medium used to grow bacterial cultures in a laboratory. Read here about its composition and how it works.