Chemistry102 Chapter 10
Terms
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- aka malt sugar or corn sugar
- maltose
- what is produced by the partial digestion of starch by the enzyme amylase?
- maltose
- what kind of linkage is maltose?
- a(1>4) glycosidic linkage
- is maltose a reducing sugar?
- yes
- does maltose give a positive test with Benedict\'s reagent?
- yes
- does maltose undergo maturotation?
- yes
- what is produced by the partial hydrolysis of cellulose, brought about by the enzyme cellulase or an acid catalyst?
- cellobiose
- what kind of linkage is cellobiose?
- B(1>4) glycosidic linkage
- does cellobiose undergo maturotation?
- yes
- aka milk sugar
- lactose
- what constitutes percentages of mammalian milk?
- lactose
- what type of linkage is lactose?
- B(1>4) glycosidic linkage
- does lactose undergo maturotation?
- yes
- what is the most abundant disaccharide in nature?
- sucrose
- what kind of linkage is sucrose?
- AB(1>2) glycosidic linkage
- does sucrose give a positive benedicts test?
- no
- does sucrose undergo maturotation?
- no
- which carbohydrate is NOT a reducing sugar?
- sucrose
- starch and glycogen are:
- polysaccharides
- starch is deposited in plant cells as insoluble granules composed of two different types of polyglucose molecules:
- amylose and amylopectin
- amylose is a linear polymer of d-glucose with what type of linkages?
- a(1>4) glycosidic linkages
- what is a major component of starch and is a branched polymer?
- amylopectin
- amylopectin has residues linked through ______ linkages but also branches through _______ linkages
- a(1>4) glycosidic linkages and a(1>6) glycosidic linkages
- _______ is similar to amylopectin but more extensively branched
- glycogen
- is amylose a reducing sugar?
- no
- which of the following are absorbed from the intestinal tract? a. lactose b. glucose c. sucrose d. maltose
- B. glucose
- what contains both D-glucose and D-galactose?
- lactose
- what is considered a structural polysaccharide?
- cellulose
- what linkage does cellulase have?
- B(1>4) glycosidic linkage