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CHEM 210 Module 4 Exam Newest Questions and Answers (Verified by Expert) $10.99   Add to cart

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CHEM 210 Module 4 Exam Newest Questions and Answers (Verified by Expert)

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CHEM 210 Module 4 Exam Newest Questions and Answers (2023/2024) (Verified by Expert) CHEM 210 Module 4 Exam Newest Questions and Answers (2023/2024) (Verified by Expert) CHEM 210 Module 4 Exam Newest Questions and Answers (2023/2024) (Verified by Expert)

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  • September 10, 2024
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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’c6onnection 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 derivatives

attached. -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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