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TLS Online TPP Program

#Question id: 11126

Which of the following is characteristic of the events occurring at an excitatory synapse?

#Unit 7. System Physiology – Animal
  1. There is a massive efflux of calcium from the presynaptic terminal
  2. Synaptic vesicles bind to the postsynaptic membrane
  3. Voltage-gated potassium channels are closed
  4. Ligand-gated channels are opened to allow sodium entry into the postsynaptic neuron
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TLS Online TPP Program

#Question id: 758

#Unit 1. Molecules and their Interaction Relevant to Biology

Both miRNAs and one strand of siRNAs are bound by proteins to form a ribonucleoprotein complex called:
TLS Online TPP Program

#Question id: 760

#Unit 1. Molecules and their Interaction Relevant to Biology

Which force can stabilize a DNA double-helix?
TLS Online TPP Program

#Question id: 761

#Unit 1. Molecules and their Interaction Relevant to Biology

In a DNA double helix each type of base forms a stable base pair with only one type of base. When bases on an RNA strand are involved in base pairing, which bases can form stable base pairs with more than one type of base?
TLS Online TPP Program

#Question id: 763

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following could be an effect of miRNA regulation?
TLS Online TPP Program

#Question id: 764

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is NOT correct about tRNA?
TLS Online TPP Program

#Question id: 765

#Unit 1. Molecules and their Interaction Relevant to Biology

miRNA plays a role in transcriptional and post transcriptional regulation by which of the following