Answer: The different layers are a result of lighter parts (such as the continental crust) settling at the surface level and heavier parts (such as iron and nickel in the core) settling in the middle. The layers separate by density, otherwise known as compositional layering. The earth did not always have these layers, as it had to undergo cooling to form some of them (like the continental crust).
<h3>
Answer: E) carbon of the carboxyl group and the nitrogen of the amino group.</h3>
Explanation:
tyrosine and isoleucine are amino acids.
When they are condensed, they form a peptide bond which occurs between the carbon of the carboxyl group and the nitrogen of the amino group (OPTION E).
Answer:
<h3>Did you know when you add 1 to 1 it will become 3</h3>
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The hormone signal will be transduced through the cytoplasm of the target cell.
