Questions: Microbes that grow optimally between pH 5.5-8.0 but are inhibited above and below this range

Microbes that grow optimally between pH 5.5-8.0 but are inhibited above and below this range are known as neutrophiles.

• Neutrophiles: These are microorganisms that thrive in neutral pH environments, typically between pH 5.5 and 8.0. They are inhibited by more acidic or alkaline conditions.

• Acidophiles: These microbes prefer acidic environments, usually below pH 5.5, and would not thrive in the neutral range.

• Alkaliphiles: These prefer alkaline conditions, typically above pH 8.0, and would not grow well in the neutral range.

In summary, the microbes described in the question are neutrophiles, as they grow best in a neutral pH range.