1) The Nde1 enzyme comes at a concentration of 40 U/ul. According to the manufacturer, the container has enough for 10,000 reactions of 2 ug of DNA, assuming that 1 U/ug of DNA is recommended. How many units in total does the packaging contain? At what concentration in U/ml does the enzyme come? If I had to use 10 U for a reaction of 10 ugs of DNA, how would I serve it? 2) A serially diluted phage solution is used to inoculate an E coli plate in the double-layer plate assay. In 24 hours you count 148 plaques. Considering that the original stock was 0.1, and that you used the sixth dilution of the series, what is the PFU for that phage in this strain of E coli? What is the dilution factor for this plate?
1) The Nde1 enzyme comes at a concentration of 40 U/ul. According to the manufacturer, the container has enough for 10,000 reactions of 2 ug of DNA, assuming that 1 U/ug of DNA is recommended. How many units in total does the packaging contain? At what concentration in U/ml does the enzyme come? If I had to use 10 U for a reaction of 10 ugs of DNA, how would I serve it? 2) A serially diluted phage solution is used to inoculate an E coli plate in the double-layer plate assay. In 24 hours you count 148 plaques. Considering that the original stock was 0.1, and that you used the sixth dilution of the series, what is the PFU for that phage in this strain of E coli? What is the dilution factor for this plate?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1) The Nde1 enzyme comes at a concentration of 40 U/ul. According to the manufacturer, the container has enough for 10,000 reactions of 2 ug of DNA, assuming that 1 U/ug of DNA is recommended. How many units in total does the packaging contain? At what concentration in U/ml does the enzyme come? If I had to use 10 U for a reaction of 10 ugs of DNA, how would I serve it?
2) A serially diluted phage solution is used to inoculate an E coli plate in the double-layer plate assay. In 24 hours you count 148 plaques. Considering that the original stock was 0.1, and that you used the sixth dilution of the series, what is the PFU for that phage in this strain of E coli? What is the dilution factor for this plate?
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