In an emergency trauma room, a doctor accidentally gives a patient a large transfusion of distilled water directly into one of his veins instead of blood. Predict what might happen if distilled water was given to the patient instead of blood.
A. have no unfavorable effect as long as the water was sterile
B. have serious, perhaps fatal effects because there would be too much fluid for the heart to
pump.
C. have serious, perhaps fatal effects because the red blood cells would tend to shrivel
D. have serious, perhaps fatal effects because the red blood cells would tend to burst
D. have serious, perhaps fatal effects because the red blood cells would tend to burst
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Water treatment processes for drinking water
A. are similar to wastewater treatment. B. are only necessary when using recycled water. C. includes disinfection but not filtration. D. has no biological treatment phase.
What process(es) are required for phospholipids to flip-flop across the lipid bilayer?
A. The process requires energy. B. The process occurs spontaneously, requiring no energy. C. The process requires an enzyme called flippase. D. The process requires energy and the flippase enzyme. E. The process occurs spontaneously and requires the flippase enzyme.
Which molecule has the shape of a completed tetrahedron?
a. Methane CH4 b. Water H2O c. Oxygen Gas O2 d. Hydrogen Gas H2
Carbon skeletons for amino acid biosynthesis are supplied by intermediates of the citric acid cycle. Which intermediate would supply the carbon skeleton for synthesis of a five-carbon amino acid?
A) succinate B) malate C) citrate D) ?-ketoglutarate E) isocitrate