A 70-year-old man was had the following EKG during his annual physical exam. What is his Q-T interval?

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#Question id: 11300

#Unit 10. Ecological Principles

What type of organisms convert nitrates and nitrites into nitrogen gas?

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#Question id: 1393

#Unit 4. Cell Communication and Cell Signaling

In research on aging (both cellular aging and organismal aging), it has been found that aged cells do not progress through the cell cycle as they had previously. Which of the following, if found in cells or organisms as they age, would provide evidence that this is related to cell signalling?

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#Question id: 23553

#General Aptitude

Foundation training to the newly recruited IAS (Probationers) is imparted by:

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#Question id: 10773

#Unit 8. Inheritance Biology

What is Pseudo dominance?

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#Question id: 9271

#Unit 6. System Physiology – Plant

Chlorophylls a and b are abundant in green plants, and c and d are found in some protists and cyanobacteria. A number of different types of bacteriochlorophyll have been found; which type of chlorophyll is the most widely distributed, shows the distribution of pigments in different types of photosynthetic organisms;