The sodium chloride molecule breaks apart in water. What does "E" represent (the process)?
A. chloride ion
B. dissociation
C. water molecule
D. sodium ion
E. salt crystal
B
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If prosecretin, the inactive form of the hormone secretin, is produced improperly and cannot be converted to the active form as a result, how will this affect the intestine and the pancreas during digestion?
A. Cholecystokinin will not be released from the intestinal wall, so the acid of the chyme will not be neutralized. The duodenum will form peptic ulcers due to acid erosion. B. Acute pancreatitis will occur, as secretin will form within the pancreas and cause pancreatic juices to begin to digest pancreatic tissues. C. Enzyme-rich pancreatic juice will not be released from the pancreas as chyme is emptied into the duodenum. Proteins, fats, carbohydrates, and nucleic acids will not be digested. D. Alkaline pancreatic juice will not be released from the pancreas as chyme is emptied into the duodenum. Peptic ulcers may result.
Lipids include
A) cholesterol. B) oils. C) all of the above. D) fats.
Phoebe enters into a contract with Everest for a guided tour of Whitewater Canyon. Everest represents that he is an experienced, knowledgeable guide, when in reality he has never been in the canyon. Phoebe is most likely a victim of
a. undue influence. b. fraud. c. mistake. d. nothing.
Researchers have found that on the island of Mangaia:
A. experiencing three orgasms per night is typical across the lifespan. B. older women and men instruct young boys in sexual matters. C. older men instruct young girls in sexual matters. D. older men do not have sex.