What is the best description of the blood agar media that you will be using?

A) Enriched & differential (based on hemolysis pattern)
B) Selective
C) Both selective & differential (based on hemolysis pattern)
D) Neither selective or differential
E) Enriched
F) Enriched, selective, & differential (based on hemolysis pattern)


A) Enriched & differential (based on hemolysis pattern)

Biology & Microbiology

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The serial endosymbiosis hypothesis states that the origin of mitochondria and chloroplasts was the result of a

mutually advantageous symbiotic relationship between two eukaryotic organisms. ______________c Indicate whether the statement is true or false.

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The ultimate source of energy for the communities of the hydrothermal vents is provided by:

a. hot seawater. b. sinking detritus from the surface waters. c. photosynthesis. d. chemoautotrophic prokaryotes. e. radioactive rocks.

Biology & Microbiology

Crop plants have been protected from certain insects by the addition of a gene for a specific insect toxin from the bacterium

A. Agrobacterium tumefaciens. B. Bacillus thuringiensis. C. tobacco mosaic. D. Herpes simplex. E. Pseudomonas.

Biology & Microbiology

The tuberculin response is the result of a(n) (antibody-mediated/cell-mediated/immediate hypersensitivity) response.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology