Microbiology Proctored Exam

In general, most DNA viruses multiply in the host cell's _________ while most RNA viruses multiply in the host cell's ________.

RNA molecules differ from DNA molecules because only RNA

A prokaryotic cell wall that is primarily composed of peptidoglycan with small amounts of teichoic acid and lipoteichoic acid is

Which of the following will influence a physician's decision to prescribe an antimicrobial?

Broad-spectrum drugs that disrupt the body's normal microbiota often cause

Important characteristic(s) of antimicrobic drugs include

A microorganism that is not motile and has stopped metabolizing is considered dead

During bacterial conjugation, DNA is transferred through a:

The three-base sequence on DNA that codes for an amino acid is called a/an

Active transport requires:

The term heterotroph refers to an organism that

The phase of the bacterial growth curve that shows the maximum rate of cell division is the

The RNA molecules that carry amino acids to the ribosomes during protein synthesis are called

Microbes typically must adapt to which of the following environmental factors. Select all that apply.

All mutations are harmful to the cell.

A bacterium that requires oxygen to grow is an:

A key characteristic of prokaryotic cells is:

The analysis of the nitrogenous bases of the nucleic acid of a newly discovered virus showed 20% adenine, 40% guanine, 10% thymine, and 30% cytosine. The viral nucleic acid is most likely

Breakage of glycosidic bonds that form complex carbohydrates is considered

Which component of an enzyme binds to the substrate?

When a virus enters a host cell, the viral genes redirect the genetic and metabolic activities of the host cell

A spherical bacterium is called a:

Gram-positive bacteria appear purple because they contain:

Yeasts reproduce primarily by:

Microbiology is the study of: