Stomach cells are moderately well adapted to the acidity and protein-digesting activities in the stomach by having ________.

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#Question id: 12954

#Unit 7. System Physiology – Animal

A 55-year-old male patient with hypertension has had his blood pressure reasonably well controlled by administration of a thiazide diuretic. During his last visit (6 months ago) his blood pressure was 130/75 mm Hg and his serum creatinine was 1 mg/100 ml. He has been exercising regularly for the past 2 years, but recently has complained of knee pain and began taking large amounts of a nonsteroidal anti-inflammatory drug. When he arrives at your office, his blood pressure is 155/85 and his serum creatinine is now 2.5 mg/100 ml. Which of the following best explains his increased serum creatinine?

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#Question id: 11002

#Unit 7. System Physiology – Animal

A 30-year-old man has an ejection fraction of 0.25 and an end systolic volume of 150 ml. What is his end diastolic volume?

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#Question id: 1528

#Unit 4. Cell Communication and Cell Signaling

Mutation of p53 is described as a dominant-negative mutation. Which of the following statement is correct regarding to the mechanism by which this mutation causes the dominant-negative phenotype?

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#Question id: 4716

#Unit 11. Evolution and Behavior

Which of the following is correct match?

A	Wallace	I	Changes in allele frequency due to random genetic drift
B	Sewall Wright	II	Evolution by natural selection
C	Carl Woese	III	hybrid sterility
D	Haldane’s rule	IV	DNA sequencing led to molecular phylogenetics

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#Question id: 3425

#Unit 11. Evolution and Behavior

Many evolutionary forces are operating in population. In study, within population increase genetic variation due to -----A-----while decrease genetic variation due to ------B-----. Between populations increase genetic variation due to -----C-----while decrease genetic variation due to ------D-----.