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The correct order of chemical compositio...

The correct order of chemical composition of living tissues/cells in term of percentage of the total cellular mass is

A

nucleic acids `gt` proteins `gt H_(2)O gt` carbohydrates `gt ` Ions `gt` iipids

B

`H_(2)O gt` proteins `gt` nucleic acids ` gt ` carbohydrates `gt ` lipids `gt ` ions

C

`H_(2)O gt` proteins `gt` carbohydrates ` gt ` nucleic acids `gt` Lipids ` gt ` ions

D

lipids ` gt ` ions `gt ` carbohydrates ` H_(2)O gt` proteins ` gt` nucleic acids

Text Solution

Verified by Experts

The correct Answer is:
B
The average composition of a living cell is water `70-90%`, proteins `10-15%`, nucleic acids `5-7%`, carbohydrates `3%`, lipids `2%`, ions `1%`.
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Knowledge Check

  • The correct order of chemical composition of living tissues / cells in term of % of the total cellular mass is -

    A
    Nucleic acid gt Proteins gt `H_(2)O` gt Carbohydrate gt lons gt Lipid
    B
    `H_(2)O` gt Proteins gt Nucleic acid gt Carbohydrate gt Lipid gt lons
    C
    `H_(2)O` gt Proteins gt Carbohydrate gt Nucleic acid gt Lipid gt lons
    D
    Lipid gt lons gt Carbohydrate gt `H_(2)O` gt Proteins gt Nucleic acid

  • The correct order of increasing chemical reactivity is

    A
    `Zn lt Fe lt Mg lt K`
    B
    `Fe lt Mg lt Zn lt K`
    C
    `Fe lt Mg lt K lt Zn`
    D
    `Fe lt Zn lt Mg lt K`

  • Water constitutes_________% of the total cellular mass.

    A
    10
    B
    30
    C
    50
    D
    90

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