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Question

(D) The correct match is $D$. $1$. Nitrogen is a major constituent of proteins,nucleic acids,vitamins,and hormones,not primarily the cell membrane. $2

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Calcium - formation of mitotic spindle.

Vedclass · Answer

(D) The correct match is $D$. $1$. Nitrogen is a major constituent of proteins,nucleic acids,vitamins,and hormones,not primarily the cell membrane. $2$. Phosphorus is a constituent of cell membranes (phospholipids),certain proteins,all nucleic acids,and nucleotides. $3$. Potassium helps in maintaining the anion-cation balance in cells and is involved in protein synthesis and opening/closing of stomata. $4$. Calcium is required by meristematic and differentiating tissues. During cell division,it is used in the synthesis of the cell wall,particularly as calcium pectate in the middle lamella,and it is also involved in the formation of the mitotic spindle.

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