Helicobacter pylori appears to have some connection with
A. acid reflux disease.
B. ulcers.
C. dental caries.
D. stomach cancer.
E. ulcers AND stomach cancer
E.
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Which organic molecules have a chemical formula that is (or is very nearly) a multiple of (CH2O)?
a. proteins b. lipids c. nucleic acids d. carbohydrates e. amino acids
If scientists studying cancer could understand how to promote cell division in cells that do not ordinarily divide, this might help people who had injuries involving
A) muscle or nerve cells. B) intestinal cells. C) bone cells. D) skin cells.
________ hormone stimulates the male gonads to produce testosterone and triggers ovulation in females.
A. Growth B. Follicle-stimulating C. Adrenocorticotropic D. Luteinizing
Something is terribly wrong with Beth and Steve's newborn baby girl. A biopsy of her kidneys reveals that the kidney nephrons all have extremely short Loops of Henle. What will be the ultimate fate of the baby?
A. She may die because her kidneys cannot secrete K+ and H+ ions into the nephron tubule. B. She may die because her kidneys cannot reabsorb enough filtered water. C. She will live because the kidneys of fish, amphibians and reptiles function perfectly well without any Loops of Henle. D. She may die because her kidneys cannot filter urea out of the blood. E. She may die because her kidneys cannot reabsorb all the filtered sugars and amino acids.