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Question- A student prepared a trypsin solution at pH 7.0 which failed to inhibit the enzyme. Her teacher suggested her to adding a few drops of 0.1 M HCl to the enzyme solution, which then effectively inhibited the enzyme. Why would the slight acidity make such a big difference? Hint- consider where trypsin is found in nature.
If possible just a brief explanation how you got the answer?
Assume that RNA polymerase will read the top strand of DNA as the "template" to synthesize mRNA. What will be the sequence of the mRNA synthesized?)
The reaction between ethyl bromide (C2H5Br) and hydroxide ion in ethyl alcohol at 330 K, C2H5BR(alc) + OH-(alc) --> C2H5OH(l) + Br-(alc), is first order each in ethyl bromide and hydroxide ion.
a sample of 1.05 g of lead ii nitrate is mixed with 130 ml of 0.106 m sodium sulfate solution. what are the
What is the principal product when p-toluidine is treated with sodium nitrite and hydrochloric acid at 0-5 degrees Celcius
An unknown gas sample with a mass of 3.17 g and a volume of 0.7521 L at 293.0 K under 1.023 atm has CH2Cl for its empirical formula. What are its molar mass and its molecular formula?
The rate of a reaction increases with increasing concentrations of reactants because you have more collisions occurring in a given time period. The rate of a chemical reaction is inversely proportional to the temperature.
Determine what mass of hydrogen is required to form 624g of methanol by the reaction CO+2H2->CH3OH.
The respective molar heats of fusion and vaporization in kJ/mol for H2O are 6.008 and 40.67. Specific heats in J/g *C for the solid, liquid, and gas phases are 2.092, 4.184, and 1.841, respectively.
The molar heat capacity of silver is 25.35J/mol °C. How much energy would it take to raise the temperature of 9.80 of silver by 17.4°C
To creates a genetically modified transgenic goat that produce a protein that acts as a drug in its milk. The concentration of drug in the milk is 10 mM
The molar heats of sublimation and fusion of iodine are 62.3 kJ/mol and15.3 kJ/mol, respectively. Calculate the molar heat of vaporization of liquid iodine.
Explain what is the empirical formula of the compound if you find that 0.105 g of the compound gives 0.257 g of CO2 and 0.0350 g of H2O when burned completely.
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