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Which statements are correct about lacto...

Which statements are correct about lactose?

A

`(C_(1)-beta)(OH)` of glucose is linked with `(C_(4)-OH)` of galactose.

B

`(C_(1)-beta)-(OH)` of galactose is linked with `(C_(4)-OH)` of `beta`-glucose.

C

It is hydrolysed both by amylase and lactase.

D

It exhibits mutarotation.

Text Solution

Verified by Experts

The correct Answer is:
B, D
Amylase hydrolyses `alpha-` linkage. (d) It exhibits mutarotation, since in `beta-D-`glucose `C-1 (OH)` group is hemiacetalic.
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CENGAGE CHEMISTRY-BIOMOLECULES-Exercises (Multiple Correcttype)
  1. Which of the following are D-sugars?

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

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  3. Which of the following pairs form same osazone?

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

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

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  6. Which statements are correct about sucrose?

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  7. Which statements are correct about sucrose?

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  8. Which statements are correct about lactose?

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  9. Which statements are correct about lactose?

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

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

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

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  13. Which of the following contain disulphide linkages?

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  14. Globular proteins are present in:

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

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

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

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

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  19. The structure of a basic amino acid, lysine, is given below: (HOOC-u...

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  20. Which statementsare correct?

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