How would you label and separate the DNA of unknown methylotrophs in a sample?
A) Incubate the sample with 13C-methane.
B) Hybridize the DNA to FISH probes.
C) Use DGGE to separate the strands of DNA in the sample.
D) Use T-RFLP to identify the methylotroph DNA in the sample.
Answer: A
You might also like to view...
What determines the specificity of a receptor protein?
A. the cytoplasmic domain B. the transmembrane domain C. the ligand-binding site D. the extracellular domain
Which of the following traits would not be considered multifactorial?
A. ABO blood type B. cleft lip/palate C. alcoholism D. diabetes E. suicide risk
Which of the following is the most recent example of evolution and natural selection?
A. the genetic differences among the various populations on Earth B. the occurrence of many different breeds of dogs C. the development of pesticide-resistant insects D. the presence of long generation times in organisms
Which of the following are used for cutting DNA molecules into fragments?
A. antisense RNAs B. mutagens C. DNA polymerase and DNA ligase D. restriction enzymes E. RNA polymerases