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Mutation:
A mutation is a physical or chemical change which changes the sequence of bases in DNA molecule. Anything which causes mutation is known as mutagen. A mutation consequences from ultraviolet light, ionisation radiations, viruses/chemicals. The alterations in sequence of bases in DNA are repaired by unique enzymes in the cell. There is a condition that if it is not, the protein generated has no biological activity and the cell dies.
These mutations frequently prove harmful and give rise to symptoms which cause diseases. Sickle-cell anaemia is one such instance. Such type of disease is passed on from one generation to the next generation.
Types of burner system in AAS
Q. What are the characteristics of drinking water? Sol. Characteristics of drinking water: (1) It should be colourless and odourless. (2) It s
Principal of radiometric titration
Find the number of intensive variables? Consider the lime-kiln process CaCO 3 (s) → CaO (s) + CO 2 (g) Find the number of intensive variables that can be varied independen
Cyclic or closed-chain compounds Cyclic compounds consist of at least one ring or closed chain of atoms. The compounds along with just only one ring of atoms in the molecule a
Evaluate the relation between rate constant k 1 and k 2 of a first order reaction when temperature changes from 270 K to 300 K and activation energy is zero?
This of the following occurs when two hydrogen atoms bond with each others: (1) Potential energy is lowered (2) Kinetic energy is lowered (3) Electronic motion ceases
Solvay process
Why does lycopene absorb at loner wavelength than beta carotene though both have same number of double bonds?
Neutrons are found in atoms of all elements except in: (1) Chlorine (2) Oxygen (3) Argon (4)Hydrogen Ans: Hydrogen
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