Multiple Choice
Which of the following is true regarding agarose gel electrophoresis of DNA?
A) The loading dye usually contains a marker dye and a heavy molecule such as glycerol.
B) In general, good separation of DNA fragments in the 1000-20,000 base pair size range can be achieved.
C) The usual buffer used is potassium phosphate at a pH of 7.2.
D) The usual stain to visualize the DNA is propidium iodide.
Correct Answer:

Verified
Correct Answer:
Verified
Q10: The composition of which PCR reagent below
Q11: It is important for laboratory workers to
Q12: Although _ must be present in excess,
Q13: The instrument used to control the heating
Q14: List ways in which contamination of PCR
Q16: The product of a PCR reaction is
Q17: Which detection method below is frequently used
Q18: A standard PCR assay uses _(how many?)primer(s).
Q19: Exposing work areas and equipment to _
Q20: Using SYBR green as a detection dye