Why Are Micronutrients Needed in Only Very Small Amounts

question 42

Multiple Choice

Why are micronutrients needed in only very small amounts?

• A) most micronutrients are mobile in the plant
• B) most micronutrients serve mainly as cofactors of enzymes
• C) micronutrients play only a minor role in the growth and health of the plant
• D) only the most actively growing regions of the plants require micronutrients

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