When gibberellin binds to its receptor, what happens to activate the gibberellin-dependent transcription factor GA-TRXN?  

A.  Ethylene is released.
B.  A ubiquitin tag is used to degrade the GA-TRXN inhibitor.
C.  A DELLA protein is degraded, freeing the GA-TRXN.
D.  A DELLA protein is attached to GA-TRXN to activate it.
E.  The gibberellin is transferred to an alternate binding site.


C.  A DELLA protein is degraded, freeing the GA-TRXN.

Biology & Microbiology

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The mechanisms by which the body of a plant functions in its environment is the ____ of the plant

a. morphology b. ecology c. anatomy d. distribution e. physiology

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The lipid layer that forms the foundation of cell membranes is primarily composed of molecules called ________.

A. fats B. phospholipids C. proteins D. carbohydrates

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All angiosperms have

A. animal pollinators. B. scented flowers. C. fleshy fruits for dispersal. D. nectaries. E. ovules enclosed in carpels.

Biology & Microbiology