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TLS Online TPP Program

#Question id: 11120

The release of neurotransmitter at a chemical synapse in the central nervous system is dependent upon which of the following?

#Unit 7. System Physiology – Animal
  1. Synthesis of acetylcholinesterase
  2. Hyperpolarization of the synaptic terminal
  3. Opening of ligand-gated ion calcium channels
  4. Influx of calcium into the presynaptic terminal
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TLS Online TPP Program

#Question id: 376

#Unit 1. Molecules and their Interaction Relevant to Biology

Phosphoric acid is tribasic, with pKa of 2.14, 6.86 and 12.4. The ionic form that predominates at pH 3.2 is
TLS Online TPP Program

#Question id: 2076

#Unit 2. Cellular Organization

An organism with a cell wall would most likely be unable to take in materials through:
TLS Online TPP Program

#Question id: 10946

#Unit 7. System Physiology – Animal

A 26-year-old man received a paper cut. What substance is the major cause of pain of this acute inflammatory response?
TLS Online TPP Program

#Question id: 10252

#Unit 6. System Physiology – Plant

When molecular oxygen is unavailable—for example, in plant roots in flooded soils—glycolysis can be the main source of energy for cells, How?
TLS Online TPP Program

#Question id: 24116

#General Aptitude

The intermittent rain soaked the garden many different times during the day.