Lactose is composed of which of the following?
- AOnly $\alpha-D$-glucose
- B$\alpha-D$-glucose and $\beta-D$-glucose
- C$\beta-D$-galactose and $\beta-D$-glucose
- D$\alpha-D$-galactose and $\alpha-D$-glucose
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In fructose,the possible optical isomers are
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View SolutionWhich among the following is a product of hydrolysis of one mole of raffinose?
Given below are two statements :
Statement $I :$ $D$-glucose pentaacetate does not react with $2,4$-dinitrophenylhydrazine.
Statement $II :$ Starch,on heating with dilute sulfuric acid at $393 \ K$ and $2-3 \ \text{atmosphere}$ pressure,produces glucose.
In the light of the above statements,choose the correct answer from the options given below.
Statement $I :$ $D$-glucose pentaacetate does not react with $2,4$-dinitrophenylhydrazine.
Statement $II :$ Starch,on heating with dilute sulfuric acid at $393 \ K$ and $2-3 \ \text{atmosphere}$ pressure,produces glucose.
In the light of the above statements,choose the correct answer from the options given below.
Which of the following carbohydrates is essential for the structure of all plant cell walls?
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