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The number of nucleotides (and base pairs) varies from species to species. However, the number of DIFFERENT nucleotides is 4:

- adenine nucleoside phosphate

- cytosine nucleoside phosphate

- guanine nucleoside phosphate

- thymine nucleoside phosphate

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11y ago
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15y ago

10.

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14y ago

Four (4)

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11y ago

10

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Q: How many nucleotids are in a double helix?
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