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Photoperiodism is the physiological reaction of organisms to the length of day or night. It occurs in plants and animals.
Photoperiodism can also be defined as the developmental responses of plants to the relative lengths of light and dark periods.
In primary succession on a terrestrial site the new site is first colonized by a few hardy pioneer species that are often microbes, lichens and mosses.
Trypsin is a serine protease from the PA clan superfamily, found in the digestive system of many vertebrates, where it hydrolyzes proteins.
Trypsin is formed in the small intestine when its proenzyme form, the trypsinogen produced by the pancreas, is activated.
Pepsin is a stomach enzyme that serves to digest proteins found in ingested food.
An anadromous fish, born in fresh water, spends most of its life in the sea and returns to fresh water to spawn.
Methyl Iso Cyanate is the gas that caused Bhopal Tragedy (1984).
Hydrogen is a chemical element with symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table. Hydrogen is a clear, colorless gas and most abundant chemical substance in the Universe.
Somnambulism is sleep walking.
Control rods are used in nuclear reactors to control the fission rate of uranium and plutonium. They are composed of chemical elements such as boron, silver, indium and cadmium that are capable of absorbing many neutrons without themselves fissioning.
ccording to Einstein’s famous equation E = mc2 , the energy E of a physical system is numerically equal to the product of its mass m and the speed of light c squared.
A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.