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What is meant by the primary structure of a protein molecule? How does it differ from the secondary structure of a protein? How are secondary protein structures held together? Discuss the importance of the tertiary and the quaternary structures of proteins. Do all proteins have primary, secondary, tertiary, and quaternary structures? Explain.
An energy level diagram to show the formation of these hybrid orbitals, naming the type of hybrid orbitals found in ammonia and the 4 on the N atom and how many will actually take part in bonding and why. Also I need help drawing an energy level diag..
Calculate the applied pressure necessary to inflate the alveoli with the surfactant, in units of Torr. By what factor has the addition of the surfactant changed the inhalation pressure
An Element consists of 1.40% of an isotope with mass 203.973 amu, 24.10% of an isotope with 205.9745 amu, 22.10% of an isotope with mass 206.9766 amu. Calculate the average atmoic mass and identify element.
Add electron pairs to show the bonds between the atoms. Assigning the remaining valence electrons so that each atom has an octet of electrons, write the Lewis structure for COCl2 in the box.
How much heat in kilojoules is required to warm 10.0g of ice, initially at -20.0^\circ C, to steam at 110^\circ C. The heat capacity of ice is 2.09 {\rm J}/{\rm g} ^\circ {\rm C} and that of steam is 1.84 {\rm J}/{\rm g} ^\circ {\rm C}.
The only thing that is supplied to you is 1M Tris (pH 6.8) and 1M NaCl. You have full access to all the deionized H2O you may need. Plus 3 M HCl, 40 g/mol of NaOH pellets, and a pH meter.
In certain part of the country ,there is an average of 710 people per square mile and o.72 internet services per person . what is the number of internet services in an area of 5.0km square?
At what angle (in degrees) does first-order diffraction from layers of atoms 340.8 pm apart occur, using x rays with a wavelength of 120 pm
A voltaic cell consists of Mn/Mn2+ and Cd/Cd2+ half-cells containing equal volumes of solutions with the following initial concentrations: [Mn2+] = 0.090 M; [Cd2+] = 0.073 M.
How many electrons are unpaired in the lowest energy electron configuration of element 35
what is the flow of the gulf stream in milliters per minute (b) what mass of water in the gulf stream flows past a given point in 24 hours? the density of seawater is 1.025 g/ml
what mass of titanium displaces 65.2 ml of water at 25 circ rm
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