A) Improve bacteria for production of useful chemicals. B) Improve soil quality for plant growth by using bacteria. C) Improve human health with the help of living organisms such as bacteria. D) Clean up areas polluted with toxic compounds by using bacteria. E) All of the above are correct.
You need to identify the major type of bacteria living on the shower curtain in your bathroom and find out what they use as a food source. What is the most efficient method for answering this question?
A) enrichment culture B) direct sequencing C) Enrichment culture and direct sequencing are equally efficient methods.
Starting in 1945, Escherichia coli became a bacterium of choice to study basic cellular processes and gene function. What specific feature of E. coli is responsible for its rise to prominence as a model system?
A) very fast growth rate B) ability to grow in suspension culture and on agar plates C) ability to transfer a copy of a plasmid from one cell to another D) the fact that it has small, circular DNA