Biology Plant Defences Flashcards

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1
Q

Name two physical barriers.

A

Cuticle
Strong cell walls

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2
Q

What is the cuticle physical Barrier?

A

A waxy layer that covers outer surfaces like leaves and stems making it difficult for pathogens to get to the cells beneath

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3
Q

Give me an example of a chemical barrier and describe how it works?

A

Foxglove, a poison released by plants that increases the heartrate of the animal consuming it

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4
Q

What are the four medicines that are made by using plant chemicals?

A

Aspirin
Artemisinin
Mint and garlic
Taxol

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5
Q

How is Aspirin produced?

A

salicylic acid produced including willow trees

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6
Q

How is Artemisinin produced?

A

produced by the wormwood plant that can be used to treat malaria

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7
Q

What does Mint and garlic produce?

A

produces antibacterial chemicals

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8
Q

what is Taxol and how is it produced?

A

It is a anti-cancer drug that is extracted from tree bark of a pacify yew tree

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