Food contains essential organic compounds that can be broken down in our bodies and used as nutrients. What must be present to make a molecule "organic?"
What will be an ideal response?
carbon
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Surgical removal of the pancreas would
A. increase the acidity of the small intestine. B. prevent the production of chyme in the stomach. C. eliminate the ability to store bile in the gallbladder. D. block the secretion of bile. E. All of these changes would be a result of pancreas removal.
Of the following, which is the first explanation
of a problem? (It is sometimes called an "educated guess.") a. principle b. law c. theory d. fact e. hypothesis
If you were designing a method to specifically inhibit prokaryotic transcription, but not eukaryotic transcription, interfering with which of the following would work best?
A) an intercalating agent B) recognition of the prokaryotic promoter by RNA polymerase C) DNase activity D) RNA polymerase II activity E) ribosomal binding to mRNA
Which of the following serves as both reactant in photosynthesis and product in cellular respiration?
a. O2 b. CO2 c. H2O d. a and b e. b and c