Tropheryma Whipplei Is the Causative Agent for Whipple's Disease

Multiple Choice

Tropheryma whipplei is the causative agent for Whipple's disease. It could not be cultured until recently when the genomic data showed:

A) it was auxotrophic for some amino acids
B) that it was an obligate intracellular pathogen
C) it needed a helper virus to grow
D) that it needed high levels of iron
E) that it is a virus that needed cell culture