Are mosses a direct ancestor of flowering plants? Explain.
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Biology, 22.06.2019 03:50
Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.
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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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Biology, 22.06.2019 12:00
The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen
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Chemistry, 09.10.2021 14:00
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