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 Microbiology Image Library is the largest photo collection on the SPO site. To help you more easily find what you're looking for, select the "See more" link of the sub-topic below that corresponds to your interests or use the search boxes.
The SPO Science Image Library is a continuously growing collection of copyright-free science photographs. If you use one of our free, low-res images, we just ask that you give us credit and provide a link to the SPO website (scienceprofonline.com). Click on photo to enlarge. To save a photo to your computer, right click on it and select "Save".
For those in need of high-resolution images, we will soon be offering hi-res files of many photos in the Science Image Library. Follow us on Twitter @ScienceProfSPO to get updates on new SPO features and products. If you need a high resolution photo now, please contact us.
Learn more about this specialized medium in the SPO article: