Biotrophic fungi usually penetrate the rigid cell wall via the formation of a specialized infection structure on the plant

surface called an appressorium. Then, the emerging penetration

peg breaches the rigid plant cell wall and provides entry into the plant cell. Finally, a haustorium forms upon entry into the plant cell.

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#Id: 1833

#Unit 11. Evolution and Behavior

Carboniferous- First reptile 

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#Id: 1216

#Unit 7. System Physiology – Animal

The chief cells of the parathyroid glands synthesize and secrete PTH.

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#Id: 9507

#Unit 6. System Physiology – Plant

The effector SylA is secreted by the bacteria into the host plant cells. Once inside the cells, SylA irreversibly inhibits the proteasome

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#Id: 7180

#Unit 5. Developmental Biology

BMP inhibitors secreted by the organizer are-Noggin, Chordin, Follistatin & Norrin

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#Id: 8377

#Unit 2. Cellular Organization

Myosins have 

Motor head domain

Lever-arm neck domain

Cargo-binding tail domain