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What are the non-essential nutrients?

What are micro nutrients?

  • Chlorine (Cl-), Copper (Cu+2), Manganese (Mn+2), Molybdenum (MoO4-2), Nickel (Ni+2), and Zinc (Zn+2) are micronutrients that are important for the proper development of many plant species. Micronutrients generally are important constituents of enzymes and thus critical for many plant functions, however these nutrients are found in plants at lower quantities in plants than nitrogen, phosphorus or other macronutrients. For example, copper is an important part of plastocyanin, an enzyme involved in electron transfer in photosynthesis. Thus deficiencies of copper can lead to decreased levels of photosynthesis. Table one provides the role these nutrients provide in the plant and the forms available to plants.

  • Answer:

    Zn - it is used as a cofactor like enzyme alcoholic dehydrogenase in DNA & RNA polymerase and as well as aldolase Mn- used as cofactor in some of the enzymes like pepcarboxy kinase Mo- cofactor for nitrogenase & nitrate reductase Cu-cofactor in number of enzymes like cytochromeoxidase &oxygen Co-structural components for vit B12 major component is haemoglobin, used as cofactor for glutamate mutase enzyme. Ni-cofactor for urease & hydrogenase enzyme

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simple micro nutrients r those whose requirements r less than 1 mg/day... it s only by ths principle nutrients r classified into 2 types: micro n macro nutrients... except Ca,Na,K, all other minerals r only micronutrients...

freeze_madhu

NUTRIENTS WHICH ARE REREQUIRED IN SMALL QUANTITIES ARE CALLED MICRO NUTRIENTS

pradeep

wat is macro nutrients answer dis also....

Vidhya n

Micronutrients are essential elements needed for life in small quantities. They include microminerals and Vitamins. Microminerals or trace elements include at least iron, cobalt, chromium, copper, iodine, manganese, selenium, zinc, and molybdenum. They are dietary minerals needed by the human body in very small quantities (generally less than 100mg/day) as opposed to macrominerals which are required in larger quantities. Note that the use of the term "mineral" here is distinct from the usage in the geological sciences. Vitamins are organic chemicals that a given living organism requires in trace quantities for good health, but which the organism cannot synthesize, and therefore must obtain from its diet. Micronutrient Malnutrition- Some information in this article or section has not been verified and may not be reliable. Please check for inaccuracies, and modify and cite sources as needed. More than two billion people (i.e. one in three persons worldwide) suffer from micronutrient deficiency. The most common deficiencies can have devastating consequences: Vitamin A deficiency: Nearly 3 million preschool children in developing countries are blind because of vitamin A deficit. Iron-deficiency Anemia results in one out of four maternal deaths in the developing world. The cost of fortifying flour with iron is 20 cents (US) per person per year (World Bank estimate). Iodine deficiency is the world's leading cause of mental retardation -- more than 2 billion children suffer from lowered IQ and retardation due to Iodine deficiency. The costs of providing iodized salt are estimated at 10 cents per person per year. Vitamin E and Zinc deficiency are also serious causes for concern. Micronutrient malnutrition is practically unknown in developed countries owing to inexpensive interventions such as food fortification, supplementation, and dietary diversification, South Asia and Sub-Saharan Africa are among the areas with the most affected people..

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