The active ingredient orlistat acts to decrease the amount of fat that is absorbed by attaching to enzymes that digest fat. Which of the following are potential targets of orlistat?

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#Question id: 10824

#10. Ecological Principles

Interspecific competition has been demonstrated experimentally in

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#Question id: 4941

#11. Evolution and Behavior

Which of the factors below weaken the hypothesis of abiotic synthesis of organic monomers in early Earthʹs atmosphere?

1.  the relatively short time between intense meteor bombardment and appearance of the first life forms

2.  the lack of experimental evidence that organic monomers can form by abiotic synthesis

3.  Uncertainty about which gases comprised early Earthʹs atmosphere

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#Question id: 11968

#7. System Physiology – Animal

 Upon activation by stomach acidity, the secretions of the parietal cells ________.

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#Question id: 23380

#Aptitude

Three words are given in this question, which have something in common among themselves. Out of the four given alternatives, choose the most appropriates choose the most appropriate descriptive about these three words.

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#Question id: 11471

#7. System Physiology – Animal

Hair cells in the vertebrate ear are responsible for transducing sound pressure waves. Ion channels in the hair cell membrane open when ________.