What is the chemical basis for the cyclization of sugars in solution?
a. interaction of hydroxyl groups with each other
b. formation of peptide bonds between carbon atoms and nitrogen atoms in modified sugars
c. reaction between the aldehyde group of one sugar molecule and the aldehyde group of another sugar molecule
d. formation of hydrogen bonds between sugar and water molecules
e. reaction of the carbonyl group with an alcohol group
Answer: e. reaction of the carbonyl group with an alcohol group
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A) the microbial inoculum placed into a test tube or onto a Petri plate. B) a series of practices to avoid contamination. C) the autoclave and other sterilizing procedures. D) cleanliness in the laboratory.
In the fetus and during early puberty, in addition to corticosteroids, the adrenal cortex produces
a. insulin. b. androgens. c. ACTH d. epinephrine. e. norepinephrine.
Respiratory acidosis will result from a(n)
A) increase in blood bicarbonate. B) increase in blood CO2 concentration. C) decrease in blood CO2 concentration. D) increase in carbon monoxide. E) decrease in blood bicarbonate.
Acid-fast cell walls contain high concentrations of
a) teichoic acid. b) peptidoglycan. c) pseudomurein. d) mycolic acid.