A patient has a dead space of 150 ml, functional residual capacity of 3 L, tidal volume of 650 ml, expiratory reserve volume of 1.5 L, a total lung capacity of 8 L, respiratory rate of 15 breaths/min. What is the alveolar ventilation?

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#Question id: 10183

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the major lipid of lung surfactant, that is essential for normal pulmonary function?

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#Question id: 1759

#Unit 4. Cell Communication and Cell Signaling

What is the major long-term source of a foreign antigen in the body?

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#Question id: 31320

#Unit 12. Applied Biology

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#Question id: 7699

#Unit 9. Diversity of Life Forms

In the phylogenetic trees, numbers represent species, and the same species are shown in both trees. Which two species are represented as sister species in Tree 2 but are not shown as sister species in Tree 1?

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#Question id: 12186

#Unit 2. Cellular Organization

In 2001, the Nobel Prize in Physiology or Medicine was awarded to three cell cycle scientists. Paul Nurse was recognized for his studies with the fission yeast S. pombe, in particular for the discovery and characterization of the wee1+ gene. What did the characterization of the wee1+ gene tell us about cell cycle control?