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a. In the alpha helix the amino acid side chains project out from the coiled backbone of the polypeptide chain
b. Explain the peptide bond is one kind of amide linkage
c. Other than peptide bonds hydrogen bonding is the most significant interaction in pleated sheet as well as alpha helical structures
d. Explain the native state of a protein is the least stable from under cellular conditions
e. Globular proteins habitually contain a pocket or groove into which a prosthetic group of substrate can fit
A solution consists of 3.88 g benzene,C6H6 , and 2.45 g toluene ,C6H5CH3. The vapor pressure of pure benzene at 20. °C is 75 mm Hg and that of toluene at 20.0 °C is 22 mm Hg.
How many grams of barium hydroxide must be added to 2.37-L of distilled water to make a saturated solution
Explain Why In cycloalkanes, ring strain decreases with the increased number of carbons, yet the most abundant rings in nature are five and six membered rings.
2.20 grams of chromium reacts with excess oxygen to give 3.22 grams of a chromium oxide. What is the name and formula of the chromium oxide. Write a balanced equation for the reaction
If your titration solution is 0.431 M in NaOH, and the endpoint occurs at 13.20 mL of titrant, how many mmol of NaOH are required to reach the endpoint
In the reaction BaCO3 + 2HNO3 -> Ba(NO3)2+CO2+H2O, what mass of Ba(NO3)2 can be formed by combining 55g BaCO3 and 26g HNO3?
question when trimethylamine ch33n dissolves in water it partially ionizes producing the trimethylammonium ion ch33nh.
What mass of sucrose should be combined with 454 g of water to make a solution with an osmotic pressure of 8.85 atm at 285 K
calculate the concentration of hydronium ions h3o from the measured ph values. express the answer in two significant
The concentration of Pb2+ in a commercially available standard solution is 1.000 mg/mL. What volume of this solution should be diluted to 6.0 x 10^2 mL to produce a solution in which the concentation of Pb2+ is 0.0505 mg/L
What mass of carbon dioxide is present in 1.00 m3 of dry air at a temperature of 25c and a pressure of 731 torr
If the ethane is burning at the rate of 0.20 mol/L.s, at what rate are CO2, and H2O being produced?
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