After a long scuba diving session on a Caribbean reef, Carl boards a plane to Dallas. He begins to feel pain in his elbow on the flight back to Dallas. What is happening to him?
What will be an ideal response?
Carl is experiencing decompression sickness, "the bends," due to several problems: (1) Applying Boyle's law, a lot of gas was forced into Carl's bloodstream during the dive and there was not sufficient time to decompress the excess before he boarded the plane. (2) The plane is not pressurized to sea level, which further reduced atmospheric pressure holding the gases in suspension (Henry's law). Carl should be to be transported to a hyperbaric chamber to be repressurized. This will reduce the volume of the gas bubbles in his arm so that normal circulation can resume.
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ADH activated water channels called ________ are essential for water reabsorption in the collecting duct
Fill in the blanks with correct word
Why is it important that glucose be converted to glucose-6-phosphate once glucose enters a cell?
A. This form is easier for cells to metabolize. B. Glucose can't diffuse out of the cell if it is in this form. C. The cells can easily excrete this molecule. D. It becomes a long-term storage molecule for glucose. E. It can now cross the plasma membrane.
When two or more polypeptide chains come together to give a protein its ultimate shape, that structure is described as the ________ structure.
A. quaternary B. secondary C. heme group D. micro- E. tertiary
Which of the following is the correct sequence?
A. acetyl-CoA formation, glycolysis, electron-transport chain, citric acid cycle B. acetyl-CoA formation, citric acid cycle, electron transport chain, glycolysis C. citric acid cycle, glycolysis, acetyl-CoA formation, electron transport chain D. glycolysis, acetyl-CoA formation, citric acid cycle, electron transport chain E. glycolysis, citric acid cycle, acetyl-CoA formation, electron transport chain