Which Statement About High-GC Gram-Positive Bacteria (Actinobacteria) Is False

Multiple Choice

Which statement about high-GC Gram-positive bacteria (actinobacteria) is false?

A) They develop an elaborately branched system of filaments.
B) They include several medically important bacteria.
C) Some species reproduce by forming chains of spores at the tips of filaments.
D) One species that is a human pathogen arose 3 million years ago in East Africa.
E) They have a higher proportion of adenine-thymine than guanine-cytosine base pairs.