B) the decay of once-living things
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Skin color<span> is due primarily to the presence of a pigment called melanin , which is controlled by at least 6 genes. Both light and dark complexioned people have melanin. However, two forms are produced--pheomelanin , which is red to yellow in</span>color<span>, and eumelanin , which is dark brown to black</span>
Answer:
protein
Explanation:
because carbohydrate ..nucleic acids protein
Answer:
There are over 60, 000 species if trees; however, there are 101 different tree types.
Explanation:
Globally its over 60,065 species of trees but the question asked how many different types of trees are there and the answer is 101 according to www.homestratosphere.com
The OH on the lower right of lysine and the H on the lower left of valine combine to form a molecule of water (H2O) and detach in a process known as a dehydration reaction when the two amino acids bond. The C on the right side of lysine then single bonds with the N on the left side of valine. This bond is termed a peptide bond. All the other bonds remain unchanged.