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Study of heredity and variation is called genetics. Gregor Mendel is Known as the father of genetics . He proposed the principles of law of inheritance.

Methylated spirits (“metho”) is a mixture of ethyl alcohol (95%) and methyl alcohol (%5). The methyl alcohol is poisonous and is added to prevent the methylated spirits being used as cheap drinking alcohol.

In most generators, the field magnet is rotating, and is part of the rotor, while the armature is stationary, and is part of the stator. Both motors and generators can be built either with a stationary armature and a rotating field or a rotating armature and a stationary field.

Positional isomers are constitutional isomers that have the same carbon skeleton and the same functional groups but differ from each other in the location of the functional groups on or in the carbon chain.

Sucrose is a disaccharide composed of glucose and fructose.
Sucrose is a molecule composed of two monosaccharides, namely glucose and fructose.
This non-reducing disaccharide has a chemical formula of C12H22O11.
Sucrose is commonly referred to as table sugar or cane sugar.

Various methods used for purification and separation of organic compounds are: crystallization, Fractional crystallization, Sublimation, Distillation, Extraction with solvents, Chromatography.
Adsorption is the basis of chromatography.
Chromatography was first employed for separating coloured substances.

ach principal energy level above the first contains one s orbital and three p orbitals. A set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. Therefore, the second level can contain a maximum of eight electrons – that is, two in the s orbital and 6 in the three p orbitals.

At standard temperature and pressure, graphite is the thermodynamically stable form. Thus diamonds do not exist forever. The conversion from diamond to graphite, however, has a very high activation energy and is therefore extremely slow.

Diffusion is the property of matter which is based on the motion of its particles. Diffusion occurs in gases, liquids and solids.
Diffusion is fastest in gases and slowest in solids.

Uracil is found in RNA

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