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Which of the following are D-sugars?...

Which of the following are `D`-sugars?

A

B

C

D

Text Solution

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The correct Answer is:
A, B, D
Write the structure in Fisher projection, with the function group on the top and then find `D` and `L`.
(a)
(b) Determine `R` and `S` configurations, where `R` is `D` and `S` is `L`. The order of priorities is: `OHgtCHOgtCH_(2)OHgtH.` so, `(b)` is `R` or `D`.
Here, `(c )` is `S` or `L`.
(d)
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CENGAGE CHEMISTRY-BIOMOLECULES-Exercises (Multiple Correcttype)
  1. Which of the statements are correct?

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  2. Which statements are correct about the reactions? D-Glucose overset(...

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  3. Which of the following are D-sugars?

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  4. Which of the following pairs are C-2 epimers?

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  5. Which of the following pairs form same osazone?

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  6. Which of the following pairs are C-2 epimers as well as enantiomers?

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  7. Which statements(s) is//are correct about sucrose?

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  8. Which statements are correct about sucrose?

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  9. Which statements are correct about sucrose?

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  10. Which statements are correct about lactose?

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  11. Which statements are correct about lactose?

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  12. Which statements are correct about the reaction of lactose?

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  13. Which statements are correct about the reaction of maltose?

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  14. How many base pairs in the gene are needed to code for the enzyme lyso...

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  15. Which of the following contain disulphide linkages?

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  16. Globular proteins are present in:

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  17. Which of the statements are correct about D,L of sugars and amino acid...

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  18. A mixture of three protiens, (A) (pepsin), (B) (haemo-globin), and (C ...

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  19. Which statements are correct about the mixture of lysine pI=9.6) and g...

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  20. The structure of aspartic acid is given below . (HOOC-underset(.^(...

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