All of the following are true about Shiga toxins EXCEPT:
A. Upon its activation, the B subunits bind to a host cell and facilitate transfer of the A subunit into the cell. The A subunit disrupt protein synthesis
B. It is a preformed toxin composed from one A subunit and five B subunits.
C. It is a holotoxin composed from one A subunit and five B subunits.
D. It is also produced by some pathogenic Escherichia coli
Answer: B. It is a preformed toxin composed from one A subunit and five B subunits.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.