Answer True or False for the following. A change in the nucleotide sequence of an organism may result in the organism becoming auxotrophic. After conjugation with an Hfr strain, an F- strain may exhibit a new phenotype. An individual with an O negative blood type can receive blood from anyone. In agarose gel electrophoresis, smaller DNA fragments migrate farther as compared to the large DNA fragments.
Decarboxylases are inducible enzymes.
KIA tubes offer important information in identification of microorganisms. You have a chemically defined medium containing only a buffered carbon source. If Yes which property of the organism allows it to do so. Briefly describe the difference between beta and gamma hemolysis. Name a medium that you used in the lab to select for Gram positive microorganisms.