This Bacterium Secretes an Exotoxin That Binds to Nerve Cells

Question

This bacterium secretes an exotoxin that binds to nerve cells and causes muscle paralysis.  
A) Clostridium botulinum
B) Shigella
C) Escherichia coli
D) Cholera
E) Penicillium

Accepted Answer

Clostridium botulinum is known to secrete an exotoxin that binds to nerve cells and blocks the release of neurotransmitters, leading to muscle paralysis. This bacterium is responsible for causing botulism, a potentially fatal disease.