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Professor Tipton, being an avid hunter, was stalking the woods for morels. He saw a giant morel next to a fallen tree. When he reached down to get it a small timber rattler bit his hand. By time he got back to the car, the bite mark was swollen and extremely painful. Being a card-carrying enzymologist, he knew that many snake venoms contain phospholipases A2. a) Explain why the snake bite caused rapid pain and inflammation (a biochemical explanation; it has nothing to do with Dr. TiptonTMs pain tolerance). b) Based on your biochemical understanding of the mechanism of the pain (Chapter 10), suggest a possible treatment (no amputations please). c) If too much phospholipase A2 enters the bloodstream, the significant accumulation of one of the products of the reaction acts as a powerful detergent, causing the lysis of red blood cells and potential death. What is this dangerous product and what makes it such a good detergent?
Melittin is a 26 amino acid helical peptide (GIGAVLKVLTTGLPALISWIKRKRQQ) that is the major component of bee venom and is responsible for cell death by disrupting the plasma membrane. Develop a logical explanation of how this peptide could facilitate membrane disruption.
2 NH3(g) + 3 O2(g) + 2 CH4(g) → 2 HCN(g) + 6 H2O(g) If 5.46x10^3 kg each of NH3, O2, and CH4 are reacted, what mass of HCN and of H2O will be produced, assuming 100% yield?
During studies of the reaction below, 2 N2H4(l) + N2O4(l) ? 3 N2(g) + 4 H2O(g) a chemical engineer measured a less-than-expected yield of N2 and discovered that the following side reaction occurs
The excess I3- was titrated with 50.00 mL of a 0.02000 M Na2S2O3 solution. What was the mass percent of arsenic trichloride in the original sample?
sample of sodium reacts with 0.497 kg of chlorine forming 819 g of sodium chloride, what mass of sodium reacted
Determine how many grams are there in 4.5+10 22 molecules of Barium nitrate and determine what is the molar mass of a gas ?
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.95 M B(aq) with 0.95 M HCl(aq).
What volume and mass of steam at 100.°C and 1.00 atm would, during condensation, release the same amount of heat as 100. cm3 of liquid water during freezing.
When hydrochloric acid comes in contact with potassium permanganate, what dangerous chemical is released?
The vapor pressure of br2(l) at 25C is 228 mm hg. if 2.00g of br2 is usedm what is the final pressure in the flask? will there be liquid in the flask.
Specific rotation of α and β -D-glucose - Determine the percentage of each anomer at equilibrium.
Calculate the pH at the equivalence point for titrating 0.250 solutions of each of the following bases with 0.250 M HBr
The atomic mass of element X is 33.42 amu. A 21.83-g sample of X combines with 80.32 g of another element Y to form a compound XY. Calculate the atomic mass of Y.
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