Question

In which form is copper absorbed by cells?

Answer 1

Copper:

1. It is a micronutrient.
2. It is needed in trace amounts by the plants.
3. It is obtained in the form of cupric (Cu²⁺) ions by the plants.
4. It is being reversibly oxidized from Cu⁺ to Cu²⁺ by the plants through redox reactions.
5. It is a constituent of many enzymes like polyphenol oxidase, and ascorbic acid oxidase and plays an important role in plant metabolism.
6. It is also an important component of plastocyanin which is involved in electron transport in photosynthesis.