WebThis video shows you how to construct of bacteria dichotomous key using biochemical test results Web29 sep. 2024 · Step 1: List down the characteristics. Pay attention to the specimens you are trying to identify with your dichotomous key. List down the characteristics that you can notice. For example, say you are trying to classify a group of animals. You may notice that some have feathers whereas others have legs, or some have long tails and others don’t.
How To Construct A Dichotomous Key For Bacteria …
WebDevelop a dichotomous key for the identification of S. aureus,S. epidermidis, andS. saprophyticus using the mannitol salt agar, coagulase, novobiocin sensitivity, and hemolysis tests. Test S. aureus S. epidermidis S. saprophyticus Mannitol salt agar Fermentation + - - Coagulase + - - Novobiocin sensitivity Colony pigmentation 1 4. WebUse the dichotomous key on the previous pare to determine the identity of these unknown members of Streptococcus 1. Unknown Catalase positive MSA negative Novobiocin resistant 2. Unknown Catalase negative Beta hemolysis Bacitracin sensitive 3. Unknown Catalase positive MSA positive Coagulase negative 4. how to make stickers sticky again
Dichotomous Key Homework1.docx - Course Hero
Web17 jun. 2024 · Antibiotic Novobiocin found to kill tumor cells with DNA-repair glitch An antibiotic developed in the 1950s and largely supplanted by newer drugs, effectively targets and kills cancer cells with a common genetic defect, laboratory research by Dana-Farber Cancer Institute scientists shows. Web5 sep. 2024 · Principle of Novobiocin Susceptibility Test. Uropathogenic S. saprophyticus is intrinsically resistant to the novobiocin and causes acute, uncomplicated urinary tract infections, especially in young and middle-aged female patients. Antibiotic novobiocin prevents bacteria from completing their cell cycle by interfering with DNA replication. WebBiochemical Test Results Acid-fast: positive Methyl Red (MR): positive Bacitracin: resistant Motility: positive Catalase: positive NO3 reduced to NO2: positive Citrate Utilization: negative Novobiocin: susceptible Coagulase Tube Test: negative Optochin: sensitive Facultative anaerobe: positive Ornithine decarboxylase: negative Glucose … m \u0026 h awards eustis