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Card 16

Front

Scientists have worked out...

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Card 17

Front

DNA is made up of...

Back

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Card 18

Front

Nucleotides are..

Back

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Card 19

Front

Each nucleotide consists of...

Back

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Card 20

Front

Sugar and phosphate molecules form a...

Back

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Card 21

Front

The four bases are...

Back

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Card 22

Front

One of these joins to each...

Back

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Card 23

Front

A always pairs up with...

Back

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Card 24

Front

C always pairs up with...

Back

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Card 25

Front

Order of bases decides...

Back

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