In the territorial behavior of the stickleback fish, the red belly of one male elicits attack from another male by functioning as

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#Question id: 12215

#Unit 7. System Physiology – Animal

Damage to the gastric mucosal barrier is a forerunner of gastric ulcer. Which of the following can both damage the gastric mucosal barrier and stimulate gastric acid secretion?

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#Question id: 12754

#Unit 13. Methods in Biology

A restriction enzyme cuts 1000bp away from the recognition site the restriction enzyme is most likely to be

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#Question id: 10956

#Unit 7. System Physiology – Animal

The coagulation pathway that begins with tissue thromboplastin is

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#Question id: 12219

#Unit 7. System Physiology – Animal

When the dietary intake of K+ increases, body K+ balance is maintained by an increase in K+ excretion primarily by which of the following?

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#Question id: 9612

#Unit 9. Diversity of Life Forms

The best classification system is that which most closely