During the 1950's, several scientists were responsible for discovering the structure of dna. one scientist, erwin chargaff, found that in dna, the ratios of adenine (a) to thymine (t) and guanine (g) to cytosine (c) are always equal. which model best represents chargaff's rule?
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Which group of algae is characterized by unicellular organisms and includes some members that would be better classified as zooflagellates? euglenophytes red algae sporozoans green algae
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Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false
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During the 1950's, several scientists were responsible for discovering the structure of dna. one sci...
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