This is the main page for the Gram Stain & Isolation Streak Plate Laboratory Topic of an 8-week introductory college microbiology class. The links on this page provide the Virtual Microbiology Classroom documents, web pages and videos useful in preparing for this lab.
You have free access to a large collection of materials used in a college-level introductory microbiology course. The Virtual Microbiology Classroom provides a wide range of free educational resources including PowerPoint Lectures, Study Guides, Review Questions and Practice Test Questions.
The images linked here directly relate to the lab exercise and are designed to help you review and study that lab material while outside of lab.
NOTE: Students must review all material in categories highlighted with red titles PRIOR TO ATTENDING LAB in order to be prepared to participate.
GRAM STAIN & ISOLATION STREAK PLATE
The Lab Exercise Instructions are the main resource required for students to understand and complete this exercise. They provide a thorough explanation of the lab topic, as well as detailed directions on how to complete the exercise. The Lab Report Assignment is the homework that students complete and turn in.
Printing: The best way for students to print out the PowerPoint Show is to download the PDF version. Select Print, and, when the Print screen comes up, go to the Print Handling options. Under Page Scaling, select "Multiple pages per sheet", Under Pages per sheet, select "2". That uses up less paper, placing two slides on each page.
The Gram Stain & Isolation Streak Plate Lab materials include:
Lab Exercise & Report word documents
Additional laboratory required readings
Videos and images related to the lab
The purpose of isolation streak plate technique is to spread out bacteria so that individual colonies can be seen.