A 65-year-old man with emphysema due to 34 years of cigarette smoking is admitted to hospital due to dyspnea. With further tests the mean pulmonary arterial pressure is determined to be 45 mm Hg at rest. He is hypoxic (PO2 = 49 mm Hg), hypercapnic (85 mm Hg), and slightly acidotic. The cardiovascular and oxygen changes are due to which of the following?

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#Question id: 15609

#12. Applied Biology

Most bacteria, some protozoans  and even archaea use poly-β-hydroxybutyrate, a polymerized form of β-PHB, as 

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#Question id: 15661

#8. Inheritance Biology

Which of the following is NOT true of a maternal effect gene?

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#Question id: 15703

#12. Applied Biology

Most commonly used carbon source in nutrient medium for plant tissue culture is

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#Question id: 15704

#12. Applied Biology

Arabinogalactan and Auxin are the substances used for maintaining the_________ In medium.

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#Question id: 15705

#12. Applied Biology

IAA or IBA auxins alone or in combination with a low concentration of cytokinin are important in the induction of

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#Question id: 15706

#12. Applied Biology

Growth regulators which cause cell division, cell differentiation, shoot differentiation