Answer:
Ion channels are pore-forming membrane proteins that create a gated, water-filled pore to help establish and control voltage potential across cell membranes through control of the active flow of ions between the intracellular and the extracellular environments
https://www.creative-biogene.com/Services/Drug-Discovery-Services/Ion-Channel-Screening-Assays.html
Explanation:
Scarlet fever was discovered in 1827, I believe
Ok so the peppered moths would all be moving to the dark forests so that they can camouflage and their population doesn't go down
Answer: 1st part Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. The most common methods are wind, water, animals, explosion and fire
2nd part plant tropisms are mechanisms by which plants adapt to environmental changes. Thigmotropism describes plant growth in response to touch or contact with a solid object. Positive thigmostropism is demonstrated by climbing plants or vines, which have specialized structures called tendrils. Gravitropism or geotropism is growth in response to gravity.