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TLS Online TPP Program

#Question id: 3429

Which of the following is a behavioral pattern that results from a proximate cause?

#Unit 11. Evolution and Behavior

  1. A cat kills a mouse to obtain food.

  2. A male sheep fights with another male because it helps it to improve its social position and find a mate.

  3. A female bird lays its eggs because the amount of daylight is decreasing slightly each day.

  4. A goose squats and freezes motionless because that behavior helps it to escape a predator.

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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:
TLS Online TPP Program

#Question id: 11520

#Unit 2. Cellular Organization

For the SERCA pump, how many Ca2+ ions moves across the membrane during each catalytic cycle ?