Buildup of a acidic thylakoid ΔpH in the presence of excess light resulting the thylakoid lumen activates an enzyme that converts violaxanthin into zeaxanthin which is 

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#Question id: 1049

#Unit 4. Cell Communication and Cell Signaling

The protein coat of a virus

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#Question id: 18761

#Unit 13. Methods in Biology

Which of the following process occurs between DNA molecules of very similar sequences?

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#Question id: 10941

#Unit 7. System Physiology – Animal

In a normal healthy person, which of the following blood components has the shortest life span?

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#Question id: 10502

#Unit 6. System Physiology – Plant

Arabidopsis roots in iron-deficient growth media, thereby facilitating increased iron uptake. The resulting increase in iron content of the plants by

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#Question id: 353

#Unit 1. Molecules and their Interaction Relevant to Biology

Measurements show that the pH of a particular lake is 4.0. What is the hydrogen ion concentration of the lake?