Answer
There are some difference between bacterial and archaeal flagella due to which scientists consider them to be analogous rather than evolutionary relations:
a. Archael flagella are about half the thickness of bacterial flagella
b. Archael flagella are solid, while bacterial flagella are hollow
c. Archael flagella lack a central channel which is present in bacterial flagella.
d. Archael flagella use ATP for energy while bacterial flagella use flow of Hydrogen ions
Work Step by Step
As above
