Iron Deficiency Is Often Indicated by Yellowing in Newly Formed

question 46

Multiple Choice

Iron deficiency is often indicated by yellowing in newly formed leaves. This suggests that iron

• A) is a relatively immobile nutrient in plants.
• B) is tied up in formed chlorophyll molecules.
• C) is concentrated in the xylem of older leaves.
• D) is concentrated in the phloem of older leaves.
• E) is found in leghemoglobin and reduces the amount available to new plant parts.

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