A carbohydrate can be defined as a molecule
A) composed of carbon atoms bonded to water molecules.
B) composed of amine groups and carboxylic acid groups bonded to a carbon skeleton.
C) composed mostly of hydrocarbons and soluble in non-polar solvents.
D) that is an aldehyde or ketone and that has more than one hydroxyl group.
E) whose name ends in "-ase".
Correct Answer:
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Q9: Molecules such as erythrose and threose,which are
Q10: Which of the following carbons in the
Q11: Ribose can be classified as a(an)
A)aldoketose.
B)aldopentose.
C)aldohexose.
D)ketopentose.
E)ketohexose.
Q12: Which molecule shown is an l-isomer?
A)
Q13: Which of the following is an aldopentose?
A)
Q16: Classify the molecule shown according to the
Q17: Classify the molecule shown according to the
Q18: How many stereoisomers of an aldopentose can
Q19: Fructose can be classified as a(an)
A)aldoketose.
B)aldopentose.
C)aldohexose.
D)ketopentose.
E)ketohexose.
Q81: Left- and right-handed mirror image molecules are
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