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A sample of an unknown peptide udergoes a single round of Edman degradation, which liberates ATZ,Gly. Another sample of the peptide is treated with trypsin, and a third sample is treated with chymotrypsin. The table below shows the fragments.
Tryptic Fragments Chymotryptic FragmentsTrp-Ser Arg-Asn-TyrGly-Val-Tyr-Arg Ala-Val-Thr-Cys-Asn-Gln-Lys-TrpAsn-Tyr-Ala-Val-Thr-Cys-Asn-Gln-Lys SerGly-Val-Tyr
Line up the fragments so that the fragments with the same sequences overlap.
Write the sequence of the peptide.
The complete combustion of methane, CH4, to form carbon dioxide gas and oxygen gas at constant pressure releases 890 kJ of heat per mole of methane consumed. (a) Write a balanced thermochemical equation for this reaction. (b) Draw an enthalpy diagram..
How would you synthesize 3-isopropyl sulfide cyclopentanol. - using less than a 6 carbon molecule.
The d-d transition in [Ti(H2O)6]+3(aq) produces an absorption maximum at 500 nm. What is the magnitude of ? for this complex in kJ/mol? HINT: E = h ? and c = ?
How many grams of silver chloride can be made by adding excess silver nitrate to react with 150.0 ml of 0.400 M Bacl2
Iron has a reported average atomic mass of 55.85 amu. If iron has two isotopes, one of which has 29 neutrons and an isotopic abundance of 57.50%, what is the mass of the other isotope?
There are two different schemes you could use to synthesize 1-cyclohexyl-1-propanol using a Grignard reagent and carbonyl-containing compound.
explain methods of industrial preparation of
The solubility of nitrogen gas "N2" in water at 20oC and 520 mmHg is 5.0×10-4 mol/L. The Henry's law constant (in mol/L.atm) at 20oC for the solubility of nitrogen gas in water is: A) 7.3×10-4 B) 7.1×10-4 C) 6.9×10-4 D) 6.7×10-4 Show steps please.
Helium-oxygen mixtures are used by divers to avoid the bends and are used in medicine to treat some respiratory ailments. What percent (by moles) of He is present in a helium-oxygen mixture having a density
a box contains 126000 red marbles and 885000 yelllow marbles. What sample size is required to reduce the sampling standard deviation of red marbles to 1.85%
The operations manager of a large production plant would like to estimate the mean amount of time a worker takes to assemble a new electronic component. Assume that the standard deviation of this assembly time is 3.6 minutes.
match each of the elements on the right with he description on the left a) a dark-red liquid calcium (ca) b)a colorless gas the burns in oxygen gas gold (au) c) a metal that reacts violently with water hydrogen(H2)
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