Which of the following are true statements fo | vedclass

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(C) Calcium $(Ca^{2+})$ is an essential mineral nutrient for plants.$(1)$ It is required for the formation of the mitotic spindle during cell division

Vedclass · Accepted Answer

$3, 4$

Vedclass · Answer

(C) Calcium $(Ca^{2+})$ is an essential mineral nutrient for plants.$(1)$ It is required for the formation of the mitotic spindle during cell division,but it is not the primary component of the spindle fibers themselves (which are made of tubulin protein). However,it is involved in the regulation of spindle formation.$(2)$ This statement is incorrect as calcium is often a cofactor or activator for enzymes,not a barrier to their activity.$(3)$ Calcium is essential for the synthesis of the cell wall,particularly as calcium pectate in the middle lamellae,which acts as a cementing material between cells.$(4)$ It is required by meristematic and differentiating tissues for cell division and cell wall formation.Therefore,statements $(3)$ and $(4)$ are correct.

Which of the following are true statements for calcium?

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