Blog

In the ouchterlony figure below, Zone B represents the:

What small molecule must be added to the growth media for the GFP to be made in the cell when its expression is under the control of the AraC operon?

In humans, a negative consequence of bacterial transmission of plasmids is:

True or False: Coliforms are Gram-negative rods that produce gas and acid via lactose fermentation.

Why are RNA viruses generally more prone to mutation compared to DNA viruses?

In the water test involving the use of 5 double-strength lactose broth and 5 each o 0.1 and 1ml labeled single-strength lactose broth, done in the lab, the following result was obtained. How many Durham tubes had 10% or more gas in them for the DSLB tubes?  

Which of the 3 types of water testing done in the lab involves using lactose broths, determining the number of tubes with gas, and determining the most probable number (MPN)?

A sterile (not inoculated) Citrate media in the iMViC test is ____________ in color.

True or False: A bacterium with the GFP protein will glow under UV light.

True or False: Pili is a structure needed for the transfer of DNA from a donor bacterium to a recipient bacterium.