Select all organisms where you might find plasmids. 

A microbiology student cultures Serratia marcescens on agar plates. When incubated at room temperature (25°C), the colonies appear red. When incubated at human body temperature (37°C), the colonies appear white or cream. The change in colony color observed under different temperature conditions is an example of a change in the organism’s what? 

Select all of the structures that are found in a gram-positive cell envelope.

What is semiconservative replication? 

True or False Quorum sensing in biofilms always occurs between members of the same species.

What do bacteriophage do that does not occur in animal virus replication?

Select all that apply. A base is changed in a DNA strand for a gene, but the amino acid sequence for the protein is the same. What type of mutation(s) occurred? 

Select all true statements about hand sanitizer and viruses. 

RSV causes cytopathic effects seen through the formation of fused multinucleated cells in infected tissue. What is this observation called? 

In which organism would you find chitin as a chemical component of the cell wall?