In addition to using numerical prefixes in the general names of sugars to indicate how many carbon atoms are present, we sometimes use the prefixes keto-and aldo-to indicate whether the sugar is a ketone or an aldehyde. For example, the monosaccharide fructose is often called a ke- tohexose to emphasize that it contains six carbons as well as the ketone functional group. For each of the monosaccharides shown in Table, classify the sugars as aldo- hexoses, aldopentoses, ketohexoses, or ketopentoses.
Answer to relevant QuestionsWhat are the structural differences between α- and β-glucose? Each of these two cyclic forms of glucose is the building block to form two different polymers. Explain. Describe the structural differences between DNA and RNA. Describe the complementary base pairing between the two individual strands of DNA that forms the overall double-helical structure. How is complementary base pairing ...Sorbic acid is used to prevent mold and fungus growth in some food products, especially cheeses. The systematic name for sorbic acid is 2,4-hexadienoic acid. Draw structures for the four geometric isomers of sorbic acid. Stretch a rubber band while holding it gently to your lips. Then slowly let it relax while still in contact with your lips. a. What happens to the temperature of the rubber band on stretching? b. Is the stretching an ...The structure of tartaric acid is a. Is the form of tartaric acid pictured below optically active? Explain. b. Draw rhe optically active forms of tartaric acid.
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