How is air contamination prevented when an inoculating loop is used to introduce or take a bacterial sample to/from an agar plate?
What will be an ideal response?
it is sterilized over the Bunsen burner
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In the citric acid cycle, the acetyl group is removed from acetyl CoA and attached to oxaloacetate to form
A. fumarate. B. oxaloacetate. C. citrate. D. succinate. E. malate.
You place an inoculum of your bacterium on a glass slide and add a drop of hydrogen peroxide reagent. Promptly you see bubbles appear, indicating the presence of a particular enzyme that the bacterium produces. What type of identification test does this exemplify?
A. Immunochromatography B. Precipitation test C. Microarray D. Biochemical test
Suppose you have some seeds that refuse to germinate when placed in moist soil. What could you do to encourage the seeds to germinate?
A) Put them in direct sunlight. B) Treat them with auxin. C) Boil them. D) Treat them with abscisic acid. E) Treat them with gibberellin.
When trying to locate a mutation responsible for a disease, exome sequencing would provide an effective shortcut because
A. it targets the sequencing of mitochondrial DNA. B. it provides the entire genome sequence. C. it targets the sequencing or rRNA and tRNA encoding sequences of DNA. D. it targets just protein-encoding sequences.