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TLS Online TPP Program

#Question id: 11130

Which of the following electrical events is characteristic of inhibitory synaptic interactions?

#Unit 7. System Physiology – Animal
  1. A neurotransmitter agent that selectively opens ligand-gated chloride channels is the basis for an inhibitory postsynaptic potential
  2. Because the Nernst potential for chloride is about −70 mV, chloride ions tend to move out of the cell along its electrochemical gradient
  3. A neurotransmitter that selectively opens potassium channels will allow potassium to move into the cell
  4. An increase in the extracellular sodium concentration usually leads directly to an inhibitory postsynaptic potential
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TLS Online TPP Program

#Question id: 27481

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the examples of Epimers?
TLS Online TPP Program

#Question id: 10919

#Unit 6. System Physiology – Plant

Both of these observations—________X__________and________Y__________—support the existence of mass flow in the sieve elements of the phloem.
TLS Online TPP Program

#Question id: 24261

#Unit 2. Cellular Organization

Clock position of amino terminal tail of amino acid is fixed, so which of the following is correctly showing the position of H4
TLS Online TPP Program

#Question id: 23649

#General Aptitude

Reverse the digits of each of the following numbers and arrange them in descending order. Which of the following will be the middle digit of the second
highest number? 739, 279, 359, 189, 549
TLS Online TPP Program

#Question id: 757

#Unit 1. Molecules and their Interaction Relevant to Biology

_______________ a bacterial enzyme, uses the energy of ATP hydrolysis to introduce negative supercoiling into DNA hence removing positive supercoiling generated during replication.