Microbiology Proctored Exam (Hennepin Tech) Practice Questions

At temperatures higher than the maximum growth temperature for an organism,

A bacterium requires the amino acids, tryptophan, tyrosine, and cystine, to be present in the agar medium in order for them to grow in the lab. These amino acids would be considered

An organic nutrient that cannot be synthesized by the organism and must be provided is called a(n)

Most prokaryotes reproduce by undergoing

A microbe recovered from an environmental sample grows on a medium composed of agar and a mix of salts. The agar is not digested during incubation. The growth rate increases in high CO2 conditions. The organism is likely a(n)

Which of the following does NOT influence the growth of microbes?

E.coli bacteria that normally live in the human large intestines and produce vitamin K that the body uses would be best termed a ______ relationship.

An organism that can exist in both oxygen and oxygen-free environments is a(n)

Which group of bacteria are usually associated with human infections?

Organism that can use oxygen but can also function without oxygen are termed

When a _____inhibitor molecule binds to an allosteric site on an enzyme, the shape of the active site changes so that the substrate molecules can no longer fit.