To investigate digestive activity in seeds during germination using starch agar plants

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10 Terms

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Step 1

Soak broad bean seeds for a day

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Step 2

Disinfect bench

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Step 3

Soak seeds in disinfectant to sterilise them

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Step 4

Split seeds in half with a backed blade

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Step 5

Rinse seeds

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Step 6

Place the half-seeds onto the starch agar plate, face down

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Step 7

Repeat with boiled seed and leave the two dishes for a day or two

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Step 8

Remove the seeds and add iodine

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Step 9

Observe results

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What is observed on the petri dishes?

Clear spots where the seeds were placed while the rest of the petri dish is blue black