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Investigating the antibacterial properties of plants.
Why do plants produce antibacterial compounds? It protects the plant from bacterial disease.

METHOD

1. Add nutrient agar with bacteria suspended in it to a Petri dish.
2. Pipette 0.1cm³ of plant extract onto a sterile paper disk and repeat for other plant extracts.…

Page 2

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Nitrate ions are needed for the production of DNA, proteins (including enzymes) and chlorophyll. They're required for plant growth, fruit production and
seed production.

Calcium ions are important components in plant cell walls. They're required for plant growth.

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