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1) Draw the structure of the hexapeptide (Ala-Pro-Met-Lys-Met-Gly) showing all bonds and atoms and please label each amino acid in the sequence.
2) Explain the relative mobilities (in detail) of of the amino acids Glycine (Rf = 0.29), valine (Rf=0.57), tryptophan (Rf=0.78), and lysine ( Rf= 0.12) with respect to how it appears on a TLC plate made of silica gel (stationary phase) and in a mobile phase of butanol (solvent).
Explain the polarity, solubility, and structural feature differences of these amino acids on the plate and how that affects its relative mobility and Rf value on the plate.
What mass of CCl2F2 substance must evaporate in order to freeze 109 of water initially at 24 degrees celsius? (The heat of fusion of water is 334 J/g the specific heat of water is 4.18 J/gK .)
The Zeeman effect is observed as a splitting in the spectral lines of hydrogen in the presence of a magnetic field. What is the greatest number of lines that a single spectral line can be split into by a magnetic field? a)2 b)3 c)4 d)5 e)6
If the volumes of reagents indicated were combined and 219 seconds elapse before the color appears, calculate the rate of reaction in M/s.
Explain the relationship between the electron configuration and the corresponding principal and angular momentum quantum numbers for each of your elements.
Calculate the osmotic pressure of a solution containing 20.00mg of hemoglobin in 16.3mL of solution at 25 ? C The molar mass of hemoglobin
CH4(g) + 3 Cl2(g) CHCl3(g) + 3 HCl(g) How many grams of CH4 is needed to produce 43.0 g CHCl3?
you have dissolved 0.298 g of soda ash into 80 ml of deionized water. it took 19.8 ml of 0.0998 m hcl to titrate the
metallic aluminum reacts with mno2 at elevated temperatures to form manganese metal and aluminum oxide. a mixture of
Given that the Ksp for silver bromide is 3.3 x 10-13, which of the following solutions would NOT produce a precipitate of AgBr? and WHY?
the density of aluminum is 2.70 g/cm3 and the density of chronium is 7.19 g/cm3. if equal masses of aluminum and chronium are trasnferred in equal volumes of water in separate graduate cylinders, which graduated cylinder would have the greatest vo..
Calculate the pH when 16 mL of 0.100 M sodium hydroxide is added to 10.00 mL of a 0.100 M phosphoric acid solution
How many moles of sulfur trioxide are formed from 3 moles of sulfur dioxide using the given balanced equation. 2 SO2 + O2 = 2 SO3
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