Minimum number of nucleotides
Human pepsinogen contains 388 amino acids. What is the minimum number of nucleotides that must be present in the mRNA that codes for this protein?
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A compound composed of sulfur and fluorine is found to contain 25.24% by mass of sulfur. If the molar mass of the compound is 254.11 g/mol, what is its molecular formula?
What mass of natural gas {rm{(CH}}_4 ) must you burn to emit 262 kJ of heat?
What is the lowest-frequency standing wave for which there is a node at the junction between the two metals?
The specific heat of liquid water is 4.18 J/mol K. The molar heat of vaporization is 40.6 kJ/mol. The resulting sample contains which of the following?
A solution is prepared by dissolving 14.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.50 mL sample of this stock solution is added to 55.00 mL of water. Calculate the concentration of ammonium ions and sulfate ions
A truck is towing a 1000-kg car at constant speed up a hill that makes an angle of α = 5.0 with respect to the horizontal. A rope is attached from the truck to the car at an angle of β = 10.0 with respect to the horizontal. Neglect any
Calculate the percentage of alcohol in the patient's body. Identify the substance produced in the liver that helps catalyze this reaction.
A wine contains 11.2% (v/v) ethanol. What volume of ethanol is in a 750.-mL bottle of this wine?
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