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Biology, 22.06.2019 06:30
Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?
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Natural resources are any materials that humans obtain from the earth to meet our wants and needs.
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Biology, 22.06.2019 13:00
This is a biological reaction due to a stimulus. i need this quickly !
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