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Chemical Structure and Hydrogen Bonds in Base Pairs
Draw the chemical structure of a correctly base paired G-C pair, then re-draw the pair with a propeller twist (these answers should all be on one page following box 'G'). Identify which hydrogen bonds are strengthened, weakened or left unchanged and why. Repeat the process for a base pair buckle and base opening. In this specific case, to simplify the answer, do NOT allow rotation of any amino groups on the bases - keep every structural feature fixed EXCEPT the twist, buckle or opening action.
Alkenes and non conjugated dienes usually have absorption maxima below 200nm. Compounds that have conjugated multiple bonds have maxima at wavelengths longer than 200nm.
What volume in L is occupied by 19.62 g of methane, CH4 (MM = 16.04 g/mol) at 23 °C and 1.34 atm?
The activation energy for the isomerization of methyl isonitrile (see figure below) is 160 kJ/mol. Calculate the fraction of methyl isonitrile molecules that has an energy of 160.0 kJ or greater at 499 K.
Determine the amount of heat energy is needed to raise the temperature of 0.362 kilograms of Cu from 23. Degree Celsius to 60 degree Celsius?
What is the concentration of OH- in a solution that contains 0.225g of NaOH in 0.250L of solutio.
Write the complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone
If you have 60.5 g NH3, how many grams of F2 are required for complete reaction?
Organic compounds solubility, The question is: Assuming that sugar is soluble in water and not most organic solvents, LIST the steps in ORDER that you would take for separating a 1:1 mixture of solid sugar and solid sodium benzoate
Important information about Finding expressions for the partial molar volumes at T and P, The molar volume (cm^3 mol^-1) of a binary liquid mixture at T and P is given by: V = 120x1 + 70x2 + (15x1 + 8x2)x1x2 (a) Find expressions for the partial mo..
Metal A was determined to be 95% extracted into methylene chloride with dethizone at pH6, when equal volumes of aqueous and non-aqueous solvents were used. what is the distribution ratio of A
Equilibrium between the composition of Hydrogen sulphide in the gaseous and liquid phases can be represented as Yn=48.3Xn.
A compound is heated to produce gas whose molecular mass is to be determined. The gas is collected by displacing water in a water filled flask inverted in a trough of water
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