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TLS Online TPP Program

#Question id: 10156

Which of the following statements is False about Rubisco?

#Unit 6. System Physiology – Plant
  1. Rubisco appears to have evolved from an ancient enolase in archaea methionine-salvage pathway

  2. The turn over number of rubisco is high in terms of carboxylation can only fixes 1 to 12 CO2 molecules per sec

  3. Rubisco is made up of eight nucleus encoded small subunits and eight plastids encoded large subunits
  4. Oxygenase activity of rubisco takes place at high temperature where its  affinity for CO2 reduces significantly
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TLS Online TPP Program

#Question id: 12179

#Unit 2. Cellular Organization

Match the following human ABC proteins (Column I) with their function (Column II)

Which of the following is correct?
TLS Online TPP Program

#Question id: 12178

#Unit 2. Cellular Organization

Following statements are regarding to V-class ATPases.
A. An organelle lumen or an extracellular space to become acidic, movement of protons must be accompanied by movement of an equal number of anions (e.g., Cl−) in the same direction.
B. An organelle lumen or an extracellular space to become acidic, movement of protons must be accompanied by movement of equal numbers of a different cation in the same direction.
C. An organelle lumen or an extracellular space to become acidic, movement of protons must be accompanied by movement of equal numbers of a different cation in the opposite direction.
D. An organelle lumen or an extracellular space to become acidic, movement of protons must be accompanied by movement of an equal number of anions (e.g., Cl−) in the opposite direction.
Which of the following combination is correct?
TLS Online TPP Program

#Question id: 12177

#Unit 2. Cellular Organization

Calculate the free energy required to move 1 mol of K+ ions from the outside of the cell (where [K+] = 4 mM) to the inside (where [K+] = 140 mM) when the membrane potential is –70 mV and the temperature is 37°C.
TLS Online TPP Program

#Question id: 11523

#Unit 2. Cellular Organization

In the given figure, which of the following complex represents high energy intermediate?
TLS Online TPP Program

#Question id: 11522

#Unit 2. Cellular Organization

What is the major function of the actuator domain in Na+-K+ ATPase?
TLS Online TPP Program

#Question id: 11521

#Unit 2. Cellular Organization

The Na+-K+ ATPase is responsible for maintaining: