Examlex
Chloroplasts are thought to have originated as endosymbiotic associations when aerobic bacteria engulfed photosynthetic cells.This relationship was favored by the production of ____ by the endosymbiont.
Saltatory Conduction
is a method of nerve signal transmission where the impulse jumps from one Ranvier's node to another, speeding up signal conduction down the axon.
Graded Potential
A shift in the electrical charge across a neuron's membrane, varying in size and leading to the generation of an action potential if a certain threshold is reached.
Action Potentials
A rapid rise and fall in voltage or membrane potential across a cellular membrane, typically in nerve or muscle cells, allowing for the transmission of signals.
Ligand-Gated Channels
Ion channels in cell membranes that open or close in response to the binding of a specific signaling molecule (ligand), allowing ions to pass across the membrane.
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