Question

In: Other

1) The diffusion coefficient of the protein BSA in water at 25°C is 6.7 10-11 m2s-1....

1) The diffusion coefficient of the protein BSA in water at 25°C is 6.7 10-11 m2s-1. Calculate the hydrodynamic volume of this protein assuming it can be regarded as a sphere

Vh =

2) The molecular weight of BSA is 66,430 g/mol, and its partial specific volume (the inverse of the density) is 0.734 cm3/g. What is the volume of one “dry” molecule of BSA? (i.e. the unhydrated protein)

V =

Solutions

Expert Solution


Related Solutions

The diffusion coefficient of a large protein molecule is found to be 2.2×10-13 m2/s in the...
The diffusion coefficient of a large protein molecule is found to be 2.2×10-13 m2/s in the water at 20∘C. Assuming it is spherical with a density of 1.3×103 kg/m3, compute its molar mass.
Please explain why BSA protein is insoluble in DCM and DMSO, but is soluble in water....
Please explain why BSA protein is insoluble in DCM and DMSO, but is soluble in water. Please explain in terms of chemical structure, bonds that are forming between them, and in terms of pH if possible. It should be very detailed 5-7 sentences.
The solubility of Cu2CrO4 in water at 25 °C is 1 x 10–4 mol L–1. The...
The solubility of Cu2CrO4 in water at 25 °C is 1 x 10–4 mol L–1. The solubility product constant at this temperature is
TRUE OR FALSE 1. For facilitated diffusion to occur there needs to be a protein in...
TRUE OR FALSE 1. For facilitated diffusion to occur there needs to be a protein in the cell membrane 2. Ions like Na+ and K+ can easily move across the cell membrane 3. Cells may have a cell membrane and not cell wall 4. An atom with 17 electrons meets the octet rule 5. Attaching to the allosteric site of an enzyme means that inhibitor molecules will increase the Km in an enzymatic reaction
Calculate the fugacity and fugacity coefficient of saturated liquid water at 25 degrees.
Calculate the fugacity and fugacity coefficient of saturated liquid water at 25 degrees.
What is the Keq for water at 25 C?
What is the Keq for water at 25 C?
1. Two liters of methanol at -30 ˚C and two liters of water at 25 ˚C...
1. Two liters of methanol at -30 ˚C and two liters of water at 25 ˚C are mixed in an insulated glass cylinder that has a mass of 2 kg. The heat capacity of glass is 0.9 kJ/kgK.Using the properties of the other substance in the appendix of the book, determine thefinal temperature of the mixture. at room temp
3. (a) Determine the diffusion coefficient of O2 (σ = 0.40 nm2 ) at 1 bar...
3. (a) Determine the diffusion coefficient of O2 (σ = 0.40 nm2 ) at 1 bar and 25 o C? (b) The diffusion coefficient of C2H6 at 298 K and 1.00 atm is 1.307×10-5 m2 s-1 . What is the collision diameter of C2H6 based on its diffusion coefficient? (c) Calculate the rate of diffusion, Jz of a gas at 300 K with λ = 1.00 × 10-5 cm, d = 3.16 × 10-8 cm, and M = 30.0 g...
Ksp = 3.2×10-11 for CaF2 at 25 °C. a)Calculate the molar concentration of fluoride ions in...
Ksp = 3.2×10-11 for CaF2 at 25 °C. a)Calculate the molar concentration of fluoride ions in a saturated calcium fluoride solution at 25 °C using the assumption that the solution is ideal -- i.e. the activity coefficients are 1. b)Still assuming an ideal solution, what mass of CaF2 would be dissolved in 100. mL of saturated solution at 25 °C? c)Using activity coefficients γCa2+ = 0.405 and γF− = 0.76, calculate the maximum mass of CaF2 which can dissolve in...
4.5kg of water at 25?C is mixed with 4.5kg of water at 58?C in a well-insulated...
4.5kg of water at 25?C is mixed with 4.5kg of water at 58?C in a well-insulated container.Estimate the net change in entropy of the system.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT