When a signaling molecule joins with an appropriate receptor on a cell surface, this binding triggers a chain of events that not only carries the signal to the cell interior, but amplifies it as well. Cells can also send signaling molecules to other cells.
Answer:sewage
Waste water is generally known as sewage and it is a biodegradable pollutant
Explanation:
birb brien
1) Parent A
Parent B
2)Blue (B) is dominate because it is parent B's nose color is blue when he has Blue and Green genes
3) Blue and Green
4) The offspring is more likely to have a green nose because there are more homozygous green combinations it can inherit than there are combinations with the blue gene.
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I would choose nuclear DNA. I see it as more complex and will yield to more markers to rely on. The Mitochondrial DNA has less of various paths as it is passed from the mother onto her babies. This concept would be different in terms of identical <span>twins.</span>