(C) The correct answer is $C$. Phosphorus is a key component of cell membranes (as phospholipids) and all nucleic acids (as the sugar-phosphate backbo

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Phosphorus is a constituent of cell membranes,certain nucleic acids and all proteins.

(C) The correct answer is $C$. Phosphorus is a key component of cell membranes (as phospholipids) and all nucleic acids (as the sugar-phosphate backbone). However,phosphorus is not a constituent of all proteins. Proteins are composed of amino acids,which contain carbon,hydrogen,oxygen,nitrogen,and sometimes sulfur,but not phosphorus.

Class 11 Biology Mineral Nutrition Mix Examples - Mineral Nutrition

Medium

Which one of the following is a wrong statement?

A
$Anabaena$ and $Nostoc$ are capable of fixing nitrogen in free-living state also.
B
Root nodule forming nitrogen fixers live as aerobes under free-living conditions.
C
Phosphorus is a constituent of cell membranes,certain nucleic acids and all proteins.
D
$Nitrosomonas$ and $Nitrobacter$ are chemo-autotrophs.

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Class 11

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Mineral Nutrition

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Mix Examples - Mineral Nutrition

Choose the incorrect sentence.

Medium

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Identify the mismatched pair.

Medium

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Select the correct match for $X$ and $Y$.
Column $X$ Column $Y$
$(1)$ Muscle contraction $(P)$ $Mg^{+2}$
$(2)$ Digestion of food $(Q)$ $Ca^{+2}$
$(3)$ Energy exchange $(R)$ $Mo$
$(4)$ Carbohydrate synthesis $(S)$ $PO_4^{-3}$
$(5)$ Nitrogen fixation $(T)$ $Cl^{-}$

Medium

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Statement $P$: In vertebrates,about $70$ percent of the total phosphorus is incorporated into bones and teeth.
Statement $Q$: Phosphorus is a structural component of vitamins like biotin and thiamine.

Medium

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Nitrogen is required mainly by which of the following parts of the plants?
$I.$ Meristematic tissues
$II.$ Differentiating tissues
$III.$ Apical tissues
$IV.$ Metabolically active cells
Choose the correct option.

Medium

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Column $X$	Column $Y$
$(1)$ Muscle contraction	$(P)$ $Mg^{+2}$
$(2)$ Digestion of food	$(Q)$ $Ca^{+2}$
$(3)$ Energy exchange	$(R)$ $Mo$
$(4)$ Carbohydrate synthesis	$(S)$ $PO_4^{-3}$
$(5)$ Nitrogen fixation	$(T)$ $Cl^{-}$

Which one of the following is a wrong statement?

Similar Questions

Choose the incorrect sentence.

Identify the mismatched pair.

Select the correct match for $X$ and $Y$.Column $X$Column $Y$$(1)$ Muscle contraction$(P)$ $Mg^{+2}$$(2)$ Digestion of food$(Q)$ $Ca^{+2}$$(3)$ Energy exchange$(R)$ $Mo$$(4)$ Carbohydrate synthesis$(S)$ $PO_4^{-3}$$(5)$ Nitrogen fixation$(T)$ $Cl^{-}$

Statement $P$: In vertebrates,about $70$ percent of the total phosphorus is incorporated into bones and teeth.Statement $Q$: Phosphorus is a structural component of vitamins like biotin and thiamine.

Nitrogen is required mainly by which of the following parts of the plants?$I.$ Meristematic tissues$II.$ Differentiating tissues$III.$ Apical tissues$IV.$ Metabolically active cellsChoose the correct option.

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Select the correct match for $X$ and $Y$.
Column $X$ Column $Y$
$(1)$ Muscle contraction $(P)$ $Mg^{+2}$
$(2)$ Digestion of food $(Q)$ $Ca^{+2}$
$(3)$ Energy exchange $(R)$ $Mo$
$(4)$ Carbohydrate synthesis $(S)$ $PO_4^{-3}$
$(5)$ Nitrogen fixation $(T)$ $Cl^{-}$

Statement $P$: In vertebrates,about $70$ percent of the total phosphorus is incorporated into bones and teeth.
Statement $Q$: Phosphorus is a structural component of vitamins like biotin and thiamine.

Nitrogen is required mainly by which of the following parts of the plants?
$I.$ Meristematic tissues
$II.$ Differentiating tissues
$III.$ Apical tissues
$IV.$ Metabolically active cells
Choose the correct option.