You have digested a molecule of DNA and want to identify a specific fragment of interest. The DNA is subjected to gel electrophoresis, but you get two bands that are very close in size. What could you use to determine which band is the correct one?
What will be an ideal response?
hybridization of a molecular probe or Southern blotting
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Which of the following statements about the differences between prokaryotic and eukaryotic genomes is FALSE?
A. Prokaryotic genomes are less complex than eukaryotic genomes. B. Prokaryotic genomes have centromeres, whereas eukaryotic genomes do not. C. Eukaryotic genomes have telomeres, whereas prokaryotic genomes do not. D. Prokaryotic genomes have one origin of replication, whereas eukaryotic genomes have multiple origins of replication. E. Chromosomes of prokaryotes have little repetitive DNA compared with chromosomes of eukaryotes.
All of the following are active transporters except
A) symporters. B) P-class pumps. C) permeases. D) bacteriorhodopsin. E) ABC transporters.
Decomposition proceeds faster in moist environments than in dry environments
Indicate whether the statement is true or false
Terminal electron acceptors used by Desulfotomaculum include sulfate and sulfite, converted to hydrogen sulfide.
Answer the following statement true (T) or false (F)