A Bacterium That Lacks the MreB Gene Will Have a ________

Question

A bacterium that lacks the mreB gene will have a ________ shape.
A) bacillus
B) coccoid
C) short bacillus
D) vibrio

Accepted Answer

The mreB gene encodes for a cytoskeletal protein that is involved in maintaining cell shape in bacteria. If this gene is lacking, the bacterium will lose its rod shape and become round, leading to a coccoid shape.