This is the reason why Mendel did not recognizelinkage phenomenon in his experiments

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#Question id: 12220

#Unit 7. System Physiology – Animal

A female patient has unexplained severe hypernatremia (plasma Na+ = 167 mmol/L) and complains of frequent urination and large urine volumes. A urine specimen reveals that the Na+ concentration is 15mmol/L (very low) and the osmolarity is 155 mOsm/L (very low). Laboratory tests reveal: plasma renin activity = 3 ng angiotensin I/ml/hr (normal = 1.0), plasma antidiuretic hormone (ADH) = 30 pg/ml (normal = 3 pg/ml), and plasma aldosterone = 20 ng/dL (normal = 6 ng/dL). Which of the following is the most likely reason for her hypernatremia?

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#Question id: 12221

#Unit 7. System Physiology – Animal

Juvenile (type I) diabetes mellitus is often diagnosed because of polyuria (high urine flow) and polydipsia (frequent drinking) that occur because of which of the following?

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#Question id: 12222

#Unit 7. System Physiology – Animal

In acidosis, most of the hydrogen ions secreted by the proximal tubule are associated with which of the following processes?

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#Question id: 12223

#Unit 10. Ecological Principles

Evidence shows  that some grasses benefit from being  grazed. Which of the following  terms would  best describe this plant-herbivore interaction?

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#Question id: 12224

#Unit 10. Ecological Principles

Which of the following terms best describes the interaction between termites and the protozoans that feed in their gut?

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#Question id: 12225

#Unit 10. Ecological Principles

Which of the following interactions can correctly be labeled coevolution?