BIOL 225 Microbiology:
Test 3 (Ch. 14, 15, 16 & 25)
1. Know the differences between the three lines of defense.
First LOD barriers that block invasion at the portal of entry, does not involve recognition of
foreign substances, gen
Biology 225 Microbiology Lab: Laboratory Report 1
Chapter 15 Gram Staining
In 1884, a Danish physician named Hans Christian Gram developed a staining
technique called the Gram stain that uses a specific technique to differentiate between
Biol 225 Study Guide
1.Be able to list the major groups of microorganisms.
Bacteria, algae, protozoa, helminths, fungi, viruses
2.Why are microbes easy to study? Difficult?
Reproduce rapidly, large populations can grow in labs, cannot see
Study Guide 2: Microbiology, BIOL 225
1. Know the different shapes and arrangements and groupings of bacteria, including
o Coccus spheres, oval, bean-shaped, pointed; bacillus cylindrical; spirillum rigid
helix, spiral; pleomorphis
Laura Davis & Sarah Smith
Microbiology Lab Presentation
History of Outbreak
In February 2007, Peter Pan and some Great Value (Walmarts
store brand) peanut butters were linked to at least 700
individual cases of salmonellosis spannin