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CHEM 210 Module 4 Exam Newest Questions and Answers (2023 / 2024) (Verified Answers) A+ $7.99   Add to cart

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CHEM 210 Module 4 Exam Newest Questions and Answers (2023 / 2024) (Verified Answers) A+

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CHEM 210 Module 4 Exam Newest Questions and Answers (2023 / 2024) (Verified Answers) A+ CHEM 210 Module 4 Exam Newest Questions and Answers (2023 / 2024) (Verified Answers) CHEM 210 Module 4 Exam Newest 1. Which carbon in erythrose would tell you if the monosaccharide is D or L? Give the carbo...

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CHEM 210 Module 4 Exam Newest


1. Which carbon in erythrose would tell you if the monosaccharide is D or L?

Give the carbon's number in your answer. ANS On carbon number 3, which is

the penultimate carbon.



2. Glucose and mannose are epimers. Name another epimer of glucose be-

sides mannose. ANS galactose




3. Does the compound C7H14O8 fit the formal definition of a carbohydrate?

Explain. ANS No. This compound has does not fit the formula CnH2nOn as

indicated inthe module. There is one additional oxygen in this compound.



4. When is the ± 1’c
6onnection typically found in carbohydrates? ANS The ±

1’6
bond is found in polysaccharides when branching occurs.




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, 5. What are the similarities and differences between amylose and amy-

lopectin? Explain in at least three complete sentences. ANS Similarities

Both of are homopolysaccharides of glucose. They each have ± 1 ’ 4connections

between glucose. They each are part of starch.

Differences Amylopectin has branching with ± 1’6linkages. Amylose does not. Amy-

lopectin is typically larger than amylose.



6. How is chitin different from cellulose? ANS Chitin has glucose with

derivativesattached. -NH-CO-CH3 is connected to each glucose.



7. Where are ± 1 ’ 6
bonds found in carbohydrates? ANS They are found

where glycogen and amylopectin branch.




8. In what ways are amylose and a protein alike? ANS They both can form

alphahelices.



9. What is the name of the carbohydrate found in beetle exoskeleton? ANS

chitin


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