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TLS Online TPP Program

#Question id: 11223

Of those listed, which event occurs first following a depolarizing stimulus applied to the presynaptic membrane of an axon terminal?

#Unit 7. System Physiology – Animal
  1. Voltage-gated calcium channels in the membrane open.
  2. Synaptic vesicles fuse with the membrane
  3. The postsynaptic cell produces an action potential.
  4. Ligand-gated channels open, allowing neurotransmitters to enter the synaptic cleft.
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TLS Online TPP Program

#Question id: 15522

#Unit 4. Cell Communication and Cell Signaling

Double negative selection do not apply on which type of T-cells?
TLS Online TPP Program

#Question id: 15705

#Unit 12. Applied Biology

IAA or IBA auxins alone or in combination with a low concentration of cytokinin are important in the induction of
TLS Online TPP Program

#Question id: 913

#Unit 1. Molecules and their Interaction Relevant to Biology

The appropriate folding of a newly translated product is essential, and continual misfolding often leads to disease, especially in vertebrates. This misfolding, particularly in the situation of prion diseases, may be due to
TLS Online TPP Program

#Question id: 20269

#Unit 7. System Physiology – Animal

The antidiuretic hormone (ADH) originates primarily in the supraoptic nuclei of the hypothalamus, which of the following statement is FALSE regarding ADH?
TLS Online TPP Program

#Question id: 5809

#Unit 8. Inheritance Biology

Based on the physiological adaptation theory, bacterial populations that had not been exposed to T1 infection: