Which of the following was not a challenge for survival of the first land plants? 

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#Question id: 297

#Unit 1. Molecules and their Interaction Relevant to Biology

The boiling point of water is exceptionally high because

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#Question id: 20289

#Unit 7. System Physiology – Animal

Which of the following is INCORRECT about insulinoma?

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#Question id: 12060

#Unit 7. System Physiology – Animal

 Eating a meal leads to a large increase in gastric acid secretion that peaks within about 5 min and returns to normal about 4 hr after a meal is taken. How long after a meal does the pH of the gastric contents reach its lowest level (in hours)?

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#Question id: 13137

#Unit 10. Ecological Principles

Reproductive value (Vx ) calculated from population life-table data provides a measure of the 

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#Question id: 3668

#Unit 3. Fundamental Processes

In most plasmids, the genes for proteins required for replication are located very close to the ______________ at which their gene are transcribed.