Question

phenol red broth 5-3

5-3 Enter your results color and bubble/no include the relevant enzyme's name in your Phenol Red Broth OBSERVATIONS AND INTERPRETATIONS color and bubble/no bubble in the table below. using the symbols shown in Table 5-2, page 305. Be sure to vant enzyme's name in your interpretation is an organism ferments sucrose and/or lactose Organism PR Base Results PR PR Glucose Lactose PR Sucrose Interpretation Uninoculated control LAC GLU E. Colin LAC SUC GLU Proteus vulgaris LAC SUC GLU Entencoccus LAC faecalis SUC GLU Pseudomonas geruginoa SECTION 5 Differential Tests

Answer 1

Answer) E coli can ferment glucose to produce acid and gas,while proteus vulgaris ferments glucose with gas production but not lactose,Enterococcus faecalis can ferment glucose,lactose and sucrose with production of acid, Pseudomonas aeuriginosa is a non fermentor, it doesnt have the ability to ferment lactose and can oxidize glucose by glycolytic enzymes.