Question

there are black and red antibiotic - resistant bacterial species growing on the agar plate. can you identify these species? click on the view image button for help. a) shigella and proteus b) shigella and salmonella c) salmonella and e. coli d) e. coli and shigella

Explanation:

Salmonella typically produces color - less colonies on MacConkey agar, while E. coli can produce red colonies due to lactose fermentation. Shigella and Proteus do not have such distinct red - black color characteristics in this context as described.

Answer:

c) Salmonella and E. coli