Activin is a___

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#Question id: 12639

#Unit 6. System Physiology – Plant

Strigolactones are transported out of sites of synthesis via plasma membrane and have been shown to move in the xylem from root to shoot by which transporter?

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#Question id: 3732

#Unit 3. Fundamental Processes

Which proteins are responsible for the unwinding of the double-stranded DNA during replication?

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#Question id: 4978

#Unit 11. Evolution and Behavior

The dicynodonts survived the mass extinction that was most closely correlated in time, if not in cause, with

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#Question id: 23082

#Unit 12. Applied Biology

The technique of organ culture may be divided on the basis of employing

a) solid medium

b) liquid medium

c) semi-solid medium

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#Question id: 11484

#Unit 7. System Physiology – Animal

Two students studying physiology taste a known "bitter" substance, and both report sensing bitterness. They then sample another substance. Student A reports sensing both a bitter taste and a salty taste, but student B reports only a salty taste. What is the most logical explanation?