Biology, 03.01.2020 02:31 WhiteWinterRose
If a double-stranded dna molecule is like a twisted rope ladder with handrails and steps, what would the steps in the ladder represent? a. phosphate groupsb. nitrogenous basesc. dna polymerased. sugar (deoxyribose) molecules
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How many chromosomes does each human cell contain? a. 23 chromosomes b. 26 chromosomes c. 43 chromosomes d. 46 chromosomes
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What are the three groups of atoms that make up amino acids called
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Which of the following may one conclude from a map that shows the average ph value of rainfall in the u.s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u.s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u.s.
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