Which of the following explains why glycosides do not undergo mutarotation?
A) There is no longer an anomeric carbon.
B) There are no longer any stereocenters.
C) The ring structure does not open to become the open-chain structure.
D) None of the above is correct.
C
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True or False: The starting composition of a metamorphic rock, with slight modification, is identical to the ending composition
Indicate whether this statement is true or false.
Compare the concerns of the sciences of meteorology and climatology, giving one example of different phenomena they might investigate
What will be an ideal response?
Because of the nature of the world-wide climatic conditions in the Mesozoic, organisms ____
A)had few habitats to occupy B)could occupy extensive geographic regions C)could only occupy restricted geographic regions D)were not affected E)stayed where they were
For observers in the Norther Hemisphere, which of the following is true?
A) Day length is longest on the summer solstice and is shortest on the winter solstice. B) Day length decreases from the winter solstice until the vernal equinox, then it begins to increase. C) Day length is most pronounced on the equinoxes and least variable on the solstices. D) Day length becomes increasingly longer during the period from the summer solstice until the winter solstice. E) Day length variations are negligible for all locations throughout the year except north the Arctic Circle.