The rate of enzyme reactions is not affected by changes in environmental conditions.

Effective hand washing with bar soap can eventually sterilize the hands since most soaps kill bacteria on contact.

In general, pasteurized milk is safe and sterile.

The reactive center of an enzyme.

Which of the following is not a characteristic of fermentation?

The glycolysis cycle is required by anaerobes in the process of fermentation, but not by aerobic microbes in the process of respiration.

Which of the following is a primary bacteria cell wall function?

A laboratory analysis of an unknown microorganism shows that the organism has the following characteristics: It utilizes glucose to form lactic acid It grows only in an anaerobic environment

All non spore-forming bacteria pathogens can be destroyed by heating them to 175oC for 30 minutes

Temperature can control bacteria growth because: