More cards in this set

Card 6

Front

what do companion cells contain

Back

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Card 7

Front

how are the companions cells conected to seive tubes

Back

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Card 8

Front

what ois the ringing experiment

Back

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Card 9

Front

aphid experiment

Back

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Card 10

Front

radioisotope labelling

Back

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Card 11

Front

what does the technique show

Back

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Card 12

Front

mass flow theory

Back

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Card 13

Front

arguments agaisnt the theory

Back

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