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In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid
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Fossils can only be formed when? if mud, silt or tar is in the area to preserve the fossil ierosion does not occur and allows the fossil to form oxygen and microorganisms cannot decay the bones the area is dry and does not contain mud or silt
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Biology, 21.06.2019 21:30
Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth
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Water is denser than isopropanol, so the water layer will always be below the isopropanol layer if t...
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