Ch 29 Plant MB Flashcards

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1
Q

What is the Rhizoplane?

A

The plant root surface

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2
Q

What is the Rhizosphere?

A

Region of soil that receives substances from the root

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3
Q

What do mycorrhizae do?

A

Increase water and mineral uptake in plants

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4
Q

True or False: Ectomycorrhizae penetrate the hyphae cells

A

False

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5
Q

Nitrogen fixation: Symbiosis

A

Rhizobium, sucrose from host plant, 50-400

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6
Q

Nitrogen fixation: Association

A

Azosprillum, roots grow from host plant, 10-200

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7
Q

Nitrogen fixation: Free-living

A

Rhodospirillum, heterotroph and autotroph, 1-2 and 10-80

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8
Q

What does brown rot do?

A

Degrades cellulose and hemicellulose lignin remains

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9
Q

What does soft rot do?

A

Degrades cellulose and hemicellulose and some lignin.
Checking

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10
Q

What does white rot do?

A

Degrades cellulose, hemicellulose, and lignin

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11
Q

What is white rot used for?

A

Food, art, medicine

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