None NCHWhat is histidine's approximate pl?+COOHH3N-CHCH2 H-N長CH+COOCOOH3N-CHH3N-CHCH₂ HCH2 HCOO-၄၀၀H₂N-CHCH₂ HNNCHCHpK₁PKRpK₂2H69+2+1012467.59show work. giveclear handwrittenSolution

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Answered: N CH What is histidine's approximate…

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter28: Biomolecules: Nucleic Acids

Section28.SE: Something Extra

Problem 23AP: The DNA of sea urchins contains about 32% A. What percentages of the other three bases would you...

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Calculate the following DNA concentrations and determine the purity of the samples: DNA Dilution Dilution A260 Concentration A260/280 Pure Explain Sample factor DNA? 1 1 ul in a total 10/1 = 1.98 1.56 volume of 10 10ul 2 0.5 ul in a 20 2.5 1.82 total volume of 10ul 3 5 ul in a total 0.86 1.95 volume of 25 ul Show your calculations (for samples 1-3 above) below: DNA conc = (A260 reading) x (absorbance factor) x (dilution factor) If you have 20 ul of each DNA sample above (samples 1-3), what is the total DNA yield (concentration)? Show your calculations below:

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N CH What is histidine's approximate pl? + COOH H3N-CH CH2 H -N 長 CH + COO COO H3N-CH H3N-CH CH₂ H CH2 H COO- ၄၀၀ H₂N-CH CH₂ H N N CH CH pK₁ PKR pK₂ 2 H 6 9 +2 +1 0 1 24 6 7.5 9 show work. give clear handwritten Solution