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Card 26

Front

Why is there such a large variety of producers in marine food chains?

Back

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Card 27

Front

How do biological washing powders work?

Back

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Card 28

Front

What are the symptoms of lactose intolerance?

Back

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Card 29

Front

What is the action of enzyme in genetic engineering?

Back

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Card 30

Front

Describe how to produce a DNA print

Back

Preview of the front of card 30