The table shows the pH ranges that support the growth of different bacteria.


Bacteria pH range
Salmonella 3.6–9.5
Listeria monocytogenes 4.2–9.6
Escherichia coli 4.3–9.0

What happens to these organisms at a pH of 3.7?
A.
Salmonella, Listeria monocytogenes and Escherichia coli do not grow.

B.
Listeria monocytogenes grows. Salmonella and Escherichia coli do not grow.

C.
Salmonella grows. Listeria monocytogenes and Escherichia coli do not grow.

D.
Escherichia coli grows. Listeria monocytogenes and Salmonella do not grow.

A. Salmonella, Listeria monocytogenes and Escherichia coli do not grow.