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 ________.

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#Question id: 11108

#7. System Physiology – Animal

The most important chemical stimuli leading to increased rate and depth of breathing is:

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#Question id: 4932

#10. Ecological Principles

Which of the following is the best hypothesis regarding origins of nucleic acids?

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#Question id: 3433

#11. Evolution and Behavior

Which of the following is true about imprinting?

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#Question id: 23442

#Aptitude

You are returning home from school. On the way, you find a sealed envelope in a street, fully addressed with unused stamps on it You would:

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#Question id: 3454

#11. Evolution and Behavior

Altruism is favoured when rb - c > 0 where c is fitness cost to altruist, b is fitness benefit to recipient; and r is genetic relatedness. It is under negative selection when