Why do female rats have uterine horns Instead fallopian tube is found in female humans ?

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Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?

Explain how scientists use geologic time to determine the age of landforms.