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Ohm’s Law
- Ohm’s law is named after the scientist Ohm who gave this law.
- According to the Ohm’s law current flowing through a conductor is directly ∝ to the potential difference applied between the ends of the conductor.
- This means if the potential difference applied at the ends increases then the current flowing through the conductor also increases and vice-versa.
- Mathematically
- Current flowing through the conductor I ∝ V where V is the potential difference applied at the ends of the conductor.
- Or I=(constant) V where constant = 1/R where R =resistance of the conductor
- => I=(1/R)V
- =>V=IR
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In molecular cloning, a vector is a DNA molecule used as a vehicle or carrier which carries the desired gene from donor to recipient cell, where it can be replicated and/or expressed. The plasmid is extrachromosomal circular DNA which acts as vector DNA. The plasmid is the most important vector as it possesses multiple cloning sites, an origin of replication and a selectable marker.
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Useful Microorganisms
- These form a significant part of the ecosystem and participate in the production of minerals and gases like oxygen, carbon dioxide.
- They also feed on the dead and decaying matter by converting the complex compounds into the simpler ones.
- The biogeochemical cycle such as the nitrogen cycle is an important example of useful microorganisms.
- Microorganisms are used in various industries for the production of various metabolites such as ethanol, riboflavin, lactic acid, and butanol.
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Argyrol is a silver sol and is used as an eye lotion. It is manufactured in the chemical industry to pharmaceutical-grade only, using denatured pharmaceutical-grade protein for ophthalmic application and elemental silver, to produce the silver protein molecule.
Also, colloidal antimony (kajal) has been found effective in treating eye diseases.
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Liver is the largest gland and second largest organ of Human Body. It can weigh up to 1.3 to 1.6 Kg for a human adult and is a reddish brown in colour.
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Heredity is a process in which organisms acquire characteristics from their parents. These characteristics are called traits. Every individual is unique because they have a unique set of traits. The traits which are transmitted by the parent to its offspring during the process of fertilization are inherited traits. This inheritance is determined by certain rules of heredity. Inherited traits are coded in our DNA and hence can be passed on to the next generation. Example: Eye colour, height, Complexion, Color of hair etc.
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Himanshu Kumar 5 years ago
1Thank You