Question

use the diagram below to answer the question: which tube in the figure shows the expected growth pattern for a facultative anaerobe? a b d e

Explanation:

Facultative anaerobes can grow with or without oxygen. They will grow throughout the tube but have more growth near the top where oxygen is more available. Tube d shows growth throughout the tube with more density near the top, which is characteristic of facultative anaerobes.

Answer:

D. Tube d