During course of evolution first prototroph was anoxygenic?

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#Question id: 12104

#10. Ecological Principles

Two barnacles, Balanus and Chthamalus, can both survive on the lower rocks just above the low-tide line on the Scottish coast, but only Balanus actually does so, with Chthamalus adopting a higher zone. Which of the following best accounts for this niche separation?

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#Question id: 12657

#6. System Physiology – Plant

Experiments performed in the laboratory of Anne Osbourn at the John Innes Centre  utilized genetic approaches to demonstrate the role of saponins in defense against pathogens of oat. If Mutant oat lines then,

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#Question id: 1065

#4. Cell Communication and Cell Signaling

Resistance of some animals to certain viral diseases is based on

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#Question id: 23468

#Aptitude

Statement— Does India need so many plans for development?

Arguments—I) Yes nothing can be achieved without proper planning

II) No. Too much time, money and energy is wasted o planning.

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#Question id: 423

#1. Molecules and their Interaction Relevant to Biology

The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.