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Enzymes are macromolecular biological catalysts. Enzymes accelerate chemical reactions. The molecules upon which enzymes may act are called substrates and the enzyme converts the substrates into different molecules known as products.

Osteomalacia is the softening of the bones caused by impaired bone metabolism primarily due to inadequate levels of available phosphate, calcium, and vitamin D, or because of resorption of calcium. The impairment of bone metabolism causes inadequate bone mineralization. Osteomalacia in children is known as rickets, and because of this, use of the term “osteomalacia” is often restricted to the milder, adult form of the disease. Signs and symptoms can include diffuse body pains, muscle weakness, and fragility of the bones. In addition to low systemic levels of circulating mineral ions necessary for bone and tooth mineralization, accumulation of mineralization-inhibiting proteins and peptides (such as osteopontin and ASARM peptides) occurs in the extracellular matrix of bones and teeth, likely contributing locally to cause matrix hypomineralization (osteomalacia).

The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye.

As a medicine, chlorella is used for preventing cancer, reducing radiation treatment side effects, stimulating the immune system, improving response to flu vaccine, increasing white blood cell counts.

Sonalika and Kalyan Sona are varieties of wheat.
Sonalika is developed from high yielding, semi-dwarf, fertilizer responsive wheat variety.

Concave mirror is used in torches & vehicle head lights.

As a result, it is desirable to remove rust and protect fresh surface from oxidizers. The common rust removal reagents are mainly based on complex formation of ferric ion with organic and inorganic acids such as citric acid, oxalic acid, and phosphoric acid.

A process for extracting sodium by the electrolysis of molten sodium chloride. The Downs cell has a central graphite anode surrounded by a cylindrical steel cathode. Chlorine released is led away through a hood over the anode.

Biomagnification, also known as bioamplification or biological magnification, is the increasing concentration of a substance, such as a toxic chemical, in the tissues of tolerant organisms at successively higher levels in a food chain.

Radio active metal which is in liquid state at room temperature: Francium

The atomic number of Francium is 87

The atomic number of Lithium is 3

The atomic number of Radium is 88

The atomic number of Sodium is 11

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