at the synaptic knob, voltage-gated channels open, thereby stimulating the synaptic vesicles to release their neurotransmitters by exocytosis.

What are similarities and differences between refraction, reflection, diffraction and absorption?

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?