#Glimpse_on_Nutrients Carbon Basic molecular component of ca | Agriculture Exams Library

#Glimpse_on_Nutrients

Carbon
Basic molecular component of carbohydrates, proteins, lipids, and nucleic acids.

Oxygen
Oxygen is somewhat like carbon in that it occurs in virtually all organic compounds of living organisms.

Hydrogen
Hydrogen plays a central role in plant metabolism. Important in ionic balance and as main reducing agent and plays a key role in energy relations of cells.

Nitrogen
Nitrogen is a component of many important organic compounds ranging from proteins to nucleic acids.

Phosphorus
Central role in plants is in energy transfer and protein metabolism.

Potassium
Helps in osmotic and ionic regulation. Potassium functions as a cofactor or activator for many enzymes of carbohydrate and protein metabolism.

Calcium
Calcium is involved in cell division and plays a major role in the maintenance of membrane integrity.

Magnesium
Component of chlorophyll and a cofactor for many enzymatic reactions.

Sulfur
Sulfur is somewhat like phosphorus in that it is involved in plant cell energetic.

Iron
An essential component of many heme and nonheme Fe enzymes and carries, including the cytochromes (respiratory electron carriers) and the ferredoxins. The latter are involved in key metabolic function such as N fixation, photosynthesis, and electron transfer.

Zinc
Essential component of servral dehydrogenases, and peptidases, including carbonic anhydrase, alcohol dehydrogenase, glutamic dehydrogenase, and malic dehdrogenase, among others.

Manganese
Involved in the O2 – evolving system of photosynthesis and is a component of the enzymes arginase and phospho transferases.

Copper
Constituent of a number of important enzymes, including cytochrome oxidize, ascorbic acid oxidase, and laccase.

Boron
Involved in carbohydrate metabolism and synthesis of cell wall components.

Molybdenum
Required for the normal assimilation of N in plants. An essential component of nitrate reductase as well as nitrogenase (N2 fixation enzyme)

Chlorine
Essential for photosynthesis and as an activator of enzymes involved in splitting water. It also functions in osmoregulation of plants growing on saline soils.

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