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Charles Darwin experimented with reactions of grass seedlings (monocots) relative to applied auxin (a plant hormone) and light.He used the youngest seedlings with a structure that dicots do not have.What is the name of that structure?
Positively Charged Ions
Particles, either atoms or molecules, which have become positively charged by losing one or more electrons.
Depolarization
A decrease in the electrical charge across a cell membrane, usually in neurons or muscle cells, leading to the firing of an action potential.
Neural Impulse
An electrical signal that travels along a neuron, enabling neurons to communicate with each other and with other parts of the body.
Threshold
The minimum level of stimulus intensity required to trigger a perceptible response or reaction.
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