Question

Chemotaxis is defined as a response to a chemical gradient of attractant or repellent molecules in the bacterium's environment. if the environment contained a gradient of attractants, which bacterium would be most likely to have a net movement toward the signal? (choose the motility deep test result as your indicators.) select one:

a. the motility deep has a single green line that corresponds to where you had stabbed the needle.
b. the motility deep is colorless.
c. the motility deep is entirely red.
d. the motility deep has a single red line that corresponds to where you had stabbed the needle.

Answer 1

Chemotaxis is defined as a response to a chemical gradient of attractant or repellent molecules in the bacterium's environment. if the environment contained a gradient of attractants, which bacterium would be most likely to have a net movement toward the signal? The correct answer would be D: the motility deep has a single red line that corresponds to where you had stabbed the needle.