BIOL 2420 - Final Exam QUESTIONS AND 100% CORRECT ANSWERS UPDATED FOR 2025/2026.
3 major basic shapes of bacteria bacillus (rods), coccus (circular), spirillum (spiral) Germ Theory of Disease (Koch's Postulates) A set of criteria used to establish that a particular infectious agent causes a disease - Koch's Postulate proves the theory Biofilms microbes that attach to solid surfaces and grow into masses. grow on rocks, pipes, teeth, and medical implants. form slimy layers on surfaces such as your teeth. can cause infections from forming on catheters and other medical implants methods of identification macroscopic and microscopic appearance biochemical tests (pH indicator - color change) genetic characteristics immunological testing color of gram positive cells after primary stain: crystal violet color of gram positive cells after mordant: iodine purple purple color of gram positive cells after decolorizing agent: alcohol-acetone color of gram positive cells after counterstain: safranin color of gram negative cells after primary stain: crystal violet
Información del documento
- Subido en
- 7 de agosto de 2025
- Número de páginas
- 25
- Escrito en
- 2025/2026
- Tipo
- Examen
- Contiene
- Preguntas y respuestas