If this is present on a surface to be disinfected, it can shield microorganisms from the disinfectant or inactivate the disinfectant. What is this substance?

What makes the interior of the plasma membrane potentially impermeable to water-soluble molecules?

Some bacteria grow at 25°C or 42°C, but diagnostic laboratories routinely grow pathogenic bacteria at what temperature?

Before performing a phlebotomy, the phlebotomist will clean the area on a patient’s arm with a substance before inserting the needle. This substance is called a(n)

These two alcohols are effective in killing enveloped viruses such as hepatitis B virus (HBV).

When examining a gram stain slide, gram negative bacteria will appear:

What protective measures can a laboratory worker take when working with actively growing cultures to ensure that they do not become infected?

Bacterial media with added supplements that support the growth of fastidious organisms is called:

Factors that determine the pathogenicity and increase the virulence of organisms include all the following, except

Which of these bacteria cannot grow in the presence of oxygen?