First slide

Essential Mineral Nutrients

Question

Read the following statements related to the functions of element X.
a- Activates the enzymes of respiration and photosynthesis
b- Involved in the synthesis of DNA and RNA
c- Absorbed by plants in the form of divalent cation
Identify the element X

Easy

A

Iron
B

Manganese
C

Zinc
D

Magnesium

Solution

Magnesium activates the enzymes of respiration, photosynthesis and is involved in the synthesis of DNA and RNA. Magnesium is a constituent of the ring structure of chlorophyll and helps to maintain the ribosome structure. It is absorbed by plants in the form of divalent ${Mg}^{2 +}$ .

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