Which of the following statements is correct?

  • A
    Starch is a polymer of $\alpha$-glucose.
  • B
    Amylose is a part of cellulose.
  • C
    Proteins contain only one type of amino acid.
  • D
    The cyclic structure of fructose contains four carbon and one oxygen atom.

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Similar Questions

Given below are two statements: one is labelled as Assertion $A$ and other is labelled as Reason $R.$
Assertion $A :$ Sucrose is a disaccharide and a non-reducing sugar.
Reason $R :$ Sucrose involves glycosidic linkage between $C_{1}$ of $\beta$-glucose and $C_{2}$ of $\alpha$-fructose.
Choose the most appropriate answer from the options given below :

$A$ $D$-carbohydrate is:

$Glucose + \text{Tollen's reagent} \to \text{Silver mirror}$ shows:

Which of the following pair of monosaccharides will form the same osazone when reacted with phenyl hydrazine?

The total number of hydroxyl $(-OH)$ groups in saccharic acid is:

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