If the efficiency of the alveoli in an human was reduced by 50%, what would you predict would be the effect?
A. The volume of air in the lungs would decrease by 50%.
B. The affinity of hemoglobin for oxygen would decrease by 50%.
C. The rate of gas exchange would decrease by 50%.
D. The muscular control of breathing would decrease by 50%.
Answer: C
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Answer the following statements true (T) or false (F)
1. Slime molds possess characteristics of both fungi and protozoa. 2. Protozoa in the category known as Mastigophora move by means of cilia. 3. A dimorphic fungus would exist as a mold inside the human body. 4. The organism that causes a “red tide” is an alga. 5. Volvox is a multicellular alga.
provide one example of a surfactant commonly used in hospitals?
What will be an ideal response?
If you forget to water your favorite plant, all of the following will occur at a cellular level EXCEPT
A) turgor pressure will build up in the cell. B) osmosis will occur. C) the plasma membrane will shrink away from the cell wall. D) water will move out of the vacuoles by osmosis. E) water will move out of the cytosol by osmosis.
In vertebrate animal cells, where does the synthesis of lactate occur?
A) Mitochondrial inner membranes B) Nucleus C) Mitochondrial matrix D) Surface of ribosomes E) Fluid portion of the cytoplasm