Biochemistry Practice Quiz4

Biochemistry Practice Quiz4 - Biochemistry Practice Quiz4...

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Biochemistry Practice Quiz4 Dr. R.D. Allison BCH 4024 1. All of the following are true of the relationship between alpha-D-glucose and beta -D- glucose except: file:///W|/bch4024/examsandquizzes_summer2003.html (70 of 94) [5/7/2003 4:36:12 PM] file:///W|/bch4024/examsandquizzes_summer2003.html a. they show equal but opposite optical activity b. they are interconvertible c. they are anomer d. they are epimers e. they are diastereoisomers 2. The condensation product of sugar hemiacetal with an alcohol moiety (ROH) is a (an) a. hemiketal b. glycoside c. ester d. ether e. always a reducing sugar 3. A 10-carbon sugar has recently been isolated form the cell wall of a plant indigenous to Northern Florida. It has been discovered that it does not exhibit the property of mutarotation. I is most probable that: a. The sugar is a ketose b. the sugar is an aldose c. the sugar is not a reducing sugar d. the sugar is a monosaccharide e. the sugar does not rotate the plane of polarized light 4. All the following are reducing sugars except a. maltose b. isomaltose c. ribose d. fructose e. sucrose 5. D-glucose and D-mannose are epimer, which means that: a. they are mirror images of each other
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Biochemistry Practice Quiz4 - Biochemistry Practice Quiz4...

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