The Watson-Crick model of DNA shows that the base adenine pairs with:

What would you use to measure the optical density (turbidity) of a bacterial culture?

Enzymes that break down proteins into individual amino acids.

The term for bacteriophage DNA that has integrated into the host cell chromosome and replicates along with the host cell chromosome.

What is the formaldehyde “action level” of the Time Weighted Average test?

Replication of the bacterial chromosome begins at how many locations?

Most non-enveloped animal viruses enter the host cell by

Term for cells that can naturally take up extracellular DNA.

Retroviruses utilize which of the following enzymes for genome synthesis:

Bacteriophages vary in their ability to infect different strains of bacteria. This is because some bacteria contain _________ __________ that cut the phage DNA at certain sequences after it enters the cell. These enzymes can also be used for direct cloning of genes into plasmids.