First slide

Essential Mineral Nutrients

Question

Which of the following statements is false?

Easy

A

Some mineral elements present in a cell are not needed by the cell.
B

Nitrogen is a nutrient element absorbed in both cationic and anionic form from the soil.
C

Carbon is an essential mineral element.
D

Glutamic acid is formed from α-keto glutaric acid by reductive amination.

Solution

Carbon is obtained by the plant in the form of ${CO}_{2}$ from the atmosphere and involved in photosynthesis for the formation of organic compounds. It is a non-mineral essential element. In reductive amination the amino acid glutamic acid is formed from α-keto glutaric acid by using NADPH. Some mineral elements present in a cell other than essential elements are not needed by the cell. Nitrogen is absorbed in the form of anion $N {O_{3}}^{-}$ as well as $N {H_{4}}^{+}$ .

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