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TLS Online TPP Program

#Question id: 11225

What happens if twice as many inhibitory postsynaptic potentials (IPSPs) as excitatory postsynaptic potentials (EPSPs) arrive in close proximity at a postsynaptic neuron?

#Unit 7. System Physiology – Animal
  1. A stronger action potential results.
  2. A weaker action potential results.
  3. No action potential results.
  4. Many action potentials result.
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TLS Online TPP Program

#Question id: 310

#Unit 1. Molecules and their Interaction Relevant to Biology

Ionic bonds easily form when electron when ionization energy of the metallic atom is _____ comparatively.
TLS Online TPP Program

#Question id: 5764

#Unit 8. Inheritance Biology

A wild-type chromosome can be represented as ABC * DEFGH, and from this a chromosomal aberration arises that can be represented AFED * CBGH. This is known as (* = centromere)
TLS Online TPP Program

#Question id: 22959

#Unit 7. System Physiology – Animal

The hormone that regulates the concentration of calcium & phosphorus in ECF:
TLS Online TPP Program

#Question id: 19831

#Unit 12. Applied Biology

Expression of the avr gene would produce the elicitor that would be recognized by the corresponding R gene product; this recognition will initiate and culminate in
TLS Online TPP Program

#Question id: 1091

#Unit 4. Cell Communication and Cell Signaling

Why does testosterone, a lipid-soluble signaling molecule that crosses the membranes of all cells, affect only target cells?