Question 11

(Multiple Choice)

Select the choice with the chronologically correct sequence of events occurring in nodule formation:


A)root hair curls,bacterium attaches to root hair,infection thread forms,bacteria proliferate and move up infection thread
B)bacterium attaches to root hair,root hair curls,infection thread forms,bacteria proliferate and move up infection thread
C)bacteria proliferate and move up infection thread,root hair curls,bacterium attaches to root hair,infection thread forms
D)bacterium attached to root hair,infection thread forms,bacteria proliferate and move up infection thread,root hair curls,
E)infection thread forms,bacteria proliferate and move up infection thread,root hair curls,bacterium attaches to root hair

Answer