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In patients with glucose-6-phosphate dehydrogenase deficiency, rd blood cells are lysed while other cells remain intact.which statement best explains this:
a. hemoglobin is a catalyst in the production of reactive oxygen species making RBCs especially vulnerable
b. most cell types have more than one pathway for synthesizing NADPH
c. most cell types do not produce reactive oxygen species
d. red blood cells have more receptors for the rugs that produce reactive oxygen species
e. red blog cells do not normally use vitamin E or vitamin C
Suppose that 25g of gold is initially at 27 degrees Celsius. What's the final temperature of gold upon absorbing 2.35kJ of heat?
Calculate the energy for the transition of one mole of electrons from N=10 to the N=7 level in a carbon
A chemical reaction at equilibrium is heated, briefly, by holding it over a flame. The equilibrium is seen to shift toward the products. What can be said about the enthalpy and entropy of the reaction
Calculated the percentage of alcohol in the patient's body. State the chemical reaction that took place in the patient's body.
Calculate the percent of a strontium sample left after 100 years. The half-life of strontium-90 is 28.1 years.
A solution of ethanol (C2H6O) in water is sometimes used as s disinfectant. 1.00 L of this solution contains 553 g or ethanol and 335 g of water. What is the mole fraction of ethanol in this solution.
the enthalpy fusion of methanol is 3.16 kJ/mol. How much heat would be absorbed or released upon freezing 25.6 grams of methanol?
What is the difference between an amino acid and a protein? How does this difference in structure affect biological function?
identify the oxidizing agent in the reaction Mg+2HCl=H2+MgCl2, the generation of hydrogen gas in the laboratory.
David J hooper weighs out 13.1 grams of salicylic acid in a 250 mL flask and adds 7.5 mL of acetic anhyride (density=1.080 g/mL) Determine the max (theoretical number of grams) of acetlysalicylic acid he can prepare
What is the molarity of solution when .8292 grams of Nickel
Add sodium hydroxide to copper(II) nitrate and use a stirring rod to test if the solution is basic. How do you establish whether the solution is basic? (Explain what else is needed, what observations are made, and what should be observed if the so..
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