Agrobacterium Is a Type of Bacteria That Infects Plants and Causes

Multiple Choice

Agrobacterium is a type of bacteria that infects plants and causes them to form tumors.You are asked to determine how long a plant must be exposed to the bacteria to become infected.Which of the following experiments will provide the best data for that question?

A) determining the survival rate of Agrobacterium to different concentrations of an antibiotic
B) determining the number of tumors formed on a plant depending on the concentration of Agrobacterium applied
C) determining the concentration of Agrobacterium in different soil environments
D) determining the number of tumors formed on a plant depending on how long it is exposed to Agrobacterium