A given photon of light may trigger an action potential with thousands of times more energy because the signal strength is amplified by ________.

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#Question id: 7587

#General Aptitude

A goods train leaves a station at a certain time and at a fixed speed. After 8 hours, an express train leaves the same station and moves in the same direction at a uniform speed of 120 kmph, this train catches up the goods train in 7 hours. Find the speed of the goods train.

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#Question id: 20309

#Unit 7. System Physiology – Animal

The precursor of all adrenal medullary hormones secretion: 

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#Question id: 27505

#Unit 2. Cellular Organization

Which of the amino acid residue are found in active site of topoisomerases

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#Question id: 9227

#Unit 9. Diversity of Life Forms

A land developer and several ecologists are discussing how a parcel of private land should be developed with housing while saving 20 hectares as natural habitat. The land developer suggests that the 20 hectares be divided into 20 separate 1-hectare areas, spread out across the area. The ecologists suggest that it would be better to have one intact parcel of 20 hectares on one side of the larger area. What is the significance of these different arrangements of the 20 hectares?

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#Question id: 136

#Unit 1. Molecules and their Interaction Relevant to Biology

The amino acids in polypeptide chains which contain sulfur (S) are