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Hi, welcome, and thanks for joining me today in this video about the similarities of dna and rna.
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Well, first of all, to the correct answer here.
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The correct answer is answer d.
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Both rna and dna are nucleic acids, and they're both made of nucleotides.
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That's their building blocks.
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And they're both made of a sugar, a phosphate, and a base.
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The other answers are not correct.
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For example, answer a says both are double -stranded helices.
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No, dna is double -stranded.
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Rna is usually single -stranded...