You have isolated an aerobic gram-positive,endospore-forming bacterium that grows well on nutrient agar.To which of the following groups does it most likely belong?
A)phototrophic bacteria
B)gammaproteobacteria
C)deltaproteobacteria
D)bacillales
E)The answer cannot be determined based on the information provided.

Question

Quizplus · Accepted Answer

The fact that the bacterium is aerobic, gram-positive, and endospore-forming narrows down the possibilities to the phylum Firmicutes. Bacillales is a specific order within this phylum that contains many aerobic, endospore-forming bacteria. Therefore, D is the most likely choice.

You Have Isolated an Aerobic Gram-Positive,endospore-Forming Bacterium That Grows Well