Answer: Cells typically receive signals in chemical form via various signaling molecules. 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.
Explanation:
A carbon atom has four electrons in it’s balance shell. as the maximum number of electrons that can be within the second shell of electrons is eight, it is able to bond with four other atoms in order to have a full shell of electrons.
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Answer:
they may cause the development of a disease-causing allele
they may cause the development of a more beneficial allele
they in some cases, may have no noticeable affect
Explanation:
The difference in the shapes of the atlantic ridge and the coastlines of continents
Answer:
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