A diagram of a food web, for the following questions. (Arrows represent energy flow and letters represent species.)

If this were a marine food web, the smallest organism might be

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#Question id: 10914

#Unit 6. System Physiology – Plant

Early research on phloem loading focused on the apoplastic pathway, probably because it is very common in

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#Question id: 181

#Unit 1. Molecules and their Interaction Relevant to Biology

Titration of valine by a strong base, for example NaOH, reveals two pK’s. The titration reaction occurring at pK2 (pK2 = 9.62) is:

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#Question id: 11649

#Unit 7. System Physiology – Animal

The red lines in the figure above illustrate the normal relationships between plasma insulin concentration and glucose production in the liver and between plasma insulin concentration and glucose uptake in muscle

In the figure, which lines most likely illustrate these relationships in a patient with type 2 diabetes?

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#Question id: 5198

#General Aptitude

If n is a natural number , then (6n^2+6n) is always divisible by : 

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#Question id: 18720

#Unit 13. Methods in Biology

The derivatives of M13 vector are exact counterparts of _________