The absorption of mineral nutrients always oc | vedclass

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Question

(D) Most minerals must enter the root by active transport because: $1$. Minerals are present in the soil as charged particles (ions) which cannot move

Vedclass · Accepted Answer

Both $(A)$ and $(C)$

Vedclass · Answer

(D) Most minerals must enter the root by active transport because: $1$. Minerals are present in the soil as charged particles (ions) which cannot move across cell membranes. $2$. The concentration of minerals in the soil is usually lower than the concentration of minerals in the root. Therefore,minerals are absorbed against the concentration gradient,which requires energy in the form of $ATP$. Thus,both the concentration gradient factor and the requirement of $ATP$ make active transport necessary.

The absorption of mineral nutrients always occurs through active transport because . . . .

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