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...
chem 210 module 4 exam newest questions and answer
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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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