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A major antigen in Mycobacterium tuberculosisa. TLR4b. TLR2c. TLR3d. TLR7 is the thick glycolipid cell wall composed of lipoarabinomannan. Which TLR receptor on the macrophage will be of primary importance in recognizing the bacterial lipoarabinomannan as a PAMP and, therefore, as danger?
Innate immune cells express pathogen recognition receptors (PRR) which bind pathogen-associated molecular patterns (PAMPs) produced by the infectious organism. Which of the following statements best describes the significance of the PRR-PAMP interaction?
a. Activation of innate immune cells to eliminate the infecting pathogen
b. Differentiation of the macrophage into an NK cell
c. Affinity maturation of immunoglobulin molecules
d. Formation of memory macrophage responses
Salt in crude oil must be removed before the oil undergoes processing in a refinery. The crude oil is fed to a washing unit where freshwater fed to the unit mixes with the oil and dissolves a portion of the salt contained in the oil
What are the similarities and differences between fission and fusion?
Explain what is the pH of the resulting solution if 30.00mL of 0.10 M acetic acid is added tom10.00mL of 0.10 M NaOH? Presume that the volumes of the solutions are additive.
at 25degc 1.0 g of caffeine is dissolve into 47 ml of water 18 ml of dichloromethane into 86 ml of benzene or into 270
Calculate the molality of a 20.0 per cent by weight aqueous solution of NH4Cl. (Molecular weight: NH4Cl = 53.5) (b) If this NH4Cl solution is assumed to be ideal and is completely dissociated into ions, calculate the vapor pressure of this solutio..
The same reactant decomposes with a half-life of 211 s when its initial concentration is 0.160 M. Determine the reaction order
calculate the heat released when 176g of water at 23.0 degrees celsius are converted to ice at -10.0 degrees celsius?
A solution of sulfuric acid (H2SO4) is to be reacted with a solution of sodium hydroxide to make sodium sulfate and water. 240 mL of the H2SO4 solution reacts with 217mL of the NaOH solution. If the morality of the NaOH solution is 0.219 M, comput..
Mercury compounds are poisonous, but mercury ions can be removed from a solution by precipitating insoluble mercury (II) sulfide, HgS (s). Determine the minimum volume of 0.0783 mol/L sodium sulfide, Na2S (aq), that is needed to precipitate all t..
On a plot it shows the absorbance of a Cu(NO3)3 solution increased as it concentration increased. Do you think this relationship between abosrbance and concentration applies to other colored solutions besided Cu(NO3)2
For each element listed below, determine the charge of the ion that is most likely to be formed and the identity of the noble gas whose electron configuration is acheived.
the precipitation of each ion must be complete (>99.9%) and there must not be more than 0.1% (by weight) of one of the other ions in the precipitate. Explain your answer: nature of precipitate, pH, concentrations etc. Be quantitative in your answe..
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