In what way are semisynthetic penicillin and natural penicillin alike?

A(n) ______________ recognizes antigens displayed on host cells with MHC I; also known as CD8+ cells.

Which of the following would most quickly be eliminated by natural selection?

During some labs (Antibiotic/Antiseptic lab and Water Quality Labs), the procedure required that we create a “lawn” on our plates with a bacteria culture.  What does that mean? What was the name of the instrument we used to create that lawn?

In our Turbidity test, we collected results based on the light passing through out tube containing our samples after we diluted our original sample.  Below is a curve that is similar to one your charted in our notebook.  The chart below shows between 4.000 and 8.000 hours, our sample 0.60A to 0.93A.  What does that results tell you about our samples?    

Extra Credit – 2 points Name two ways we misuse Antibiotics that have led to resistant strains.        

Assuming this plate was inoculated with a lawn of E. coli and grown at 37oC with several implanted disk of differing antibiotics.  What do you call the area that is clear and has no bacteria growth around disk B, D, E, F and G?

The most common microorganism used for the production of antibiotics is:

What was the name of the test/media that is used to determine a bacteria’s oxygen requirement?

What part of the pathogen binds to the receptor on a host cell?