Question 1

What is the correct name for the following compound?

Accepted Answer

A)   ( α\alphaα -D-fructofuranose) 
B)   ( β\betaβ -D-sorbofuranose) 
C)   ( α\alphaα -D-glucopyranose) 
D)   ( β\betaβ -D- fructofuranose) 
E)   ( β\betaβ -D-gulopyranose)

Question 2

Polysaccharides are made by joining ________together.

Accepted Answer

A)   disaccharides
B)   trisaccharides
C)   polysaccharides
D)   monosaccharides
E)   all of these

Question 3

Which of the following is a L-hexose?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   V

Question 4

Provide the structure for cytidine.

Accepted Answer

The answer of Provide the structure for cytidine....

Question 5

Predict the product(s) when maltose is treated with CH3OH/HCl.

Accepted Answer

<img  loading="lazy" src="/assets/images/blured-textbook.svg" class="d-inline m-1" alt="blured image" width="139" height="30">_TB4454_00...

Question 6

Draw the Fischer projection for the open-chain form of the following cyclic monosaccharide.

Accepted Answer

The answer of Draw the Fischer projection for the open-chain...

Question 7

The sequence of reactions that results in a chain shortening of the aldose chain is called the _______________ degradation.

Accepted Answer

The answer of The sequence of reactions that results in...

Question 8

Of the possible stereoisomers for galactose, how many are L-isomers?

Accepted Answer

A)   8
B)   6
C)   10
D)   3
E)   4

Question 9

Identify the classification for D-erythrose.

Accepted Answer

A)   aldotetrose
B)   ketotetrose
C)   aldopentose
D)   ketopentose
E)   aldohexose

Question 10

Raffinose is a trisaccharide found in whole grains. Is raffinose a reducing sugar?

Accepted Answer

A)   yes
B)   no

Question 11

Provide the reactant(s) for the following reaction.

Accepted Answer

The answer of Provide the reactant(s) for the following reaction....

Question 12

Which one of the following heterocyclic amines is not a base in DNA?

Accepted Answer

A)   uracil
B)   thymine
C)   cytosine
D)   adenine
E)   guanine

Question 13

Predict the product(s) for the following reaction.

Accepted Answer

The answer of Predict the product(s) for the following reaction....

Question 14

Which aldose would produce D-ribose and D-arabinose when subjected to the Kiliani-Fischer synthesis?

Accepted Answer

A)   D-threose
B)   D-xylose
C)   D-erythrose
D)   D-allose
E)   D-lyxose

Question 15

Which of the following disaccharides is a reducing sugar?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   none of these

Question 16

Which one of the following compounds would give a positive test with Benedict's solution?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   none of these

Question 17

Which of the following D-aldoses will produce an optically inactive product when treated with NaBH4/H2O? 4/H2O?   A)  I B)  II C)  III D)  IV E)  none of these" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   none of these

Question 18

Which of the following is a reducing sugar with a 1 →	o→ 4  α\alphaα -glycosidic linkage?

Accepted Answer

A)   maltose
B)   cellobiose
C)   sucrose
D)   lactose
E)   B and D

Question 19

Give the characteristics of a D-sugar.

Accepted Answer

A)   R configuration and dextrorotatory
B)   R configuration and levorotatory
C)   S configuration and dextrorotatory
D)   S configuration and levorotatory
E)   D and L have no correlation to configuration and rotation of plane-polarized light.

Question 20

Which of the following best describes the relationship between D-glucose and D-galactose?

Accepted Answer

A)   enantiomers
B)   anomers
C)   epimers
D)   constitutional isomers
E)   none of these

Exam 24: Carbohydrates

Which one of the following heterocyclic amines is not a base in DNA?

Correct AnswerverifiedShow Answer

Which of the following D-aldoses will produce an optically inactive product when treated with NaBH4/H2O?

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Which of the following disaccharides is a reducing sugar?

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Identify the classification for D-erythrose.

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Draw the Fischer projection for the open-chain form of the following cyclic monosaccharide.

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Which of the following is a L-hexose?

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Give the characteristics of a D-sugar.

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Predict the product(s) when maltose is treated with CH3OH/HCl.

Correct Answerverified_TB4454_00...View AnswerShow Answer

Which one of the following compounds would give a positive test with Benedict's solution?

Correct AnswerverifiedShow Answer

Which of the following is a reducing sugar with a 1 →\to→ 4 α\alphaα -glycosidic linkage?

Correct AnswerverifiedShow Answer

What is the correct name for the following compound?

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Polysaccharides are made by joining ________together.

Correct AnswerverifiedShow Answer

Provide the structure for cytidine.

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Which of the following best describes the relationship between D-glucose and D-galactose?

Correct AnswerverifiedShow Answer

Of the possible stereoisomers for galactose, how many are L-isomers?

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Which aldose would produce D-ribose and D-arabinose when subjected to the Kiliani-Fischer synthesis?

Correct AnswerverifiedShow Answer

Predict the product(s) for the following reaction.

Correct AnswerverifiedShow Answer

The sequence of reactions that results in a chain shortening of the aldose chain is called the _______________ degradation.

Correct AnswerverifiedShow Answer

Provide the reactant(s) for the following reaction.

Correct AnswerverifiedShow Answer

Raffinose is a trisaccharide found in whole grains. Is raffinose a reducing sugar?

Correct AnswerverifiedShow Answer

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Which of the following D-aldoses will produce an optically inactive product when treated with NaBH₄/H₂O?

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Predict the product(s) when maltose is treated with CH₃OH/HCl.

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_TB4454_00...
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Which of the following is a reducing sugar with a 1 $\to$ 4 $\alpha$ -glycosidic linkage?

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What is the correct name for the following compound? $What is the correct name for the following compound? A) ( \alpha -D-fructofuranose) B) ( \beta -D-sorbofuranose) C) ( \alpha -D-glucopyranose) D) ( \beta -D- fructofuranose) E) ( \beta -D-gulopyranose)$

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