Which tumor suppressor protein is held together with cytosolic destruction complex targeted for degradation of β-catenin?

TLS Online TPP Program

#Question id: 41082

#Unit 12. Biochemical Engineering

  Q. Consider the following statements regarding aeration and oxygen mass transfer in a bioreactor:P: The liquid-side mass transfer coefficient (k_L) is exclusively a property of the fluid and remains unaffected by temperature or fluid dynamics.Q: The volumetric mass transfer coefficient (k_La) serves as the standard engineering metric for evaluating bioreactor aeration efficiency.R: The specific interfacial surface area (a) is directly proportional to the gas holdup (epsilon) and inversely proportional to the mean bubble diameter (d_b).S: Applying headspace overpressure alters Henry's Law constant, thereby reducing the saturated DO concentration at the interface (C*).

Which of the following combinations represents the correct statements?

TLS Online TPP Program

#Question id: 41083

#Unit 12. Biochemical Engineering

Q. According to standard agitation dynamics, which of the following statements accurately describes the primary function of a Rushton turbine compared to a marine or hydrofoil impeller?

TLS Online TPP Program

#Question id: 41084

#Unit 12. Biochemical Engineering

Q. Aeration and agitation function synergistically to maximize the volumetric mass transfer coefficient (k_La) while maintaining homogeneous mixing. Consider the following statements regarding their respective roles:

P: Sparging introduces gas into the liquid to supply O2 and strip out metabolic CO2, thereby providing the necessary gas holdup (ε).

Q: Agitation relies on low-shear hydrofoil impellers to decrease the bubble residence time, ensuring rapid gas turnover in high-density cultures.

R: The mechanical action of impellers serves to thin the liquid film resistance (k_L), which facilitates better mass transfer across the gas-liquid interface.

S: The synergistic effect of aeration and agitation is primarily aimed at minimizing the specific interfacial area (a) to prevent foaming.

Which of the following combinations represents the correct statements?

TLS Online TPP Program

#Question id: 41090

#Unit 12. Biochemical Engineering

Q. The suitability of an organic solvent for maintaining enzyme activity is largely related to its:

TLS Online TPP Program

#Question id: 41091

#Unit 12. Biochemical Engineering

Q. Assertion (A): Hydrophobic solvents can be more compatible with enzyme activity than highly polar solvents.

Reason (R): Hydrophobic solvents tend to leave the essential water associated with the enzyme relatively intact.

TLS Online TPP Program

#Question id: 41092

#Unit 12. Biochemical Engineering

Q. An organic solvent has log P = 1.5. , it would be expected to: