Answer: Chargaff's observation was an important clue to the A-T and G-C pairings that Watson and Crick eventually proposed. ... The structure of DNA suggested that the order of bases contains information. Because A is always paired with T and G with C, the order of bases on one strand determines the order on the other strand.
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<h3>the best estimate for earth age is based on radiometric dating of fragment from the canyon dialo iron meteorite from the fragments scientist calculated the relative abundance of element that's for maid as radioactive Uranium decayed over billion of years</h3>
C. fertility is the answer
A photograph of all the stained, prepared chromosomes in a eukaryotic cell is referred to as a karyotype
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The cell walls observed by Hooke gave no indication of the nucleus and other organelles found in most living cells. The first man to witness a live cell under a microscope was Anton van Leeuwenhoek, who in 1674 described the algae Spirogyra. Van Leeuwenhoek probably also saw bacteria.
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