V.Angiosperm

Carpels are megasporophylls: produce megaspores that give rise to “female gametophytes”

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#Id: 9565

#XL - T Zoology

Haldane’s rule: Hybrid sterility or hybrid inviability is often limited to the heterogametic sex. 

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#Id: 10805

#XL - R Botany

Tannins deter feeding by herbivores

Plant tannins also serve as defenses against microorganisms.

For example, the nonliving heartwood of many trees contains high concentrations of tannins that help prevent fungal and bacterial decay

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#Id: 8566

#XL - Q Biochemistry

Under these conditions, the reactions have an identical dissociation constant Ki , again called the inhibitor constant. 

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#Id: 9281

#XL - R Botany

Root hair cellular responses to bacterial Nod factor

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#Id: 9742

#XL - R Botany

Amygdalin (the common cyanogenic glycoside found in the seeds of almonds, apricots, cherries, and peaches). 

Dhurrin from sorghum 

Linamarin and lotaustralin from cassava.