It can be confusing because it isn't specific enough. In astronomy, the big dipper is not a spoon. It is a bear. Scientists know it as Ursa Major rather than a dipper or bear.
Answer:
The areas that have had the action potential are refractory to a new action potential.
Explanation:
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the answer ito this is rainfall
The aorta, which arises directly from the heart
Answer:
C. Guard cells and storage parenchyma cells each make a different set of proteins, which determines each cell type's structure and function.
Explanation
Both of these are two types of specialized cells that make specific combinations of proteins, which allows them to have unique structures and functions.
