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Sir Alec John Jeffreys, is a British geneticist known for developing techniques for genetic fingerprinting and DNA profiling.
These are now used worldwide in forensic science to assist police detective work and to resolve paternity and immigration disputes.
DNA profiling (also called DNA fingerprinting) is the process of determining an individual’s DNA characteristics

Beta-carotene is the precursor of Vitamin A.
Golden rice is genetically modified rice which produces beta-carotene in their grains.
Golden rice was intended to produce Vitamin A rich rice for the use of areas with dietary vitamin A deficiency.

Macromolecule chitin is an example complex structural hetero polysaccharide.
It has nitrogen containing glucose derivatives.
It has N-acetyl glycosamine.
It is present as the structural component of fungal cell walls and exoskeleton of arthropods etc.

Urease is significant in the history of enzymology.
It is the first enzyme to be purified and crystallized.
It is first crystallized by James B. Sumner in 1926.
This achievement laid the groundwork for the subsequent demonstration that urease and other enzymes are proteins.

The chronic administration of alcohol produces an increase of gamma-glutamyl transpeptidase activity.
It happens in several regions of rat brain whether the alcohol is administered via the inhalational route or by a liquid diet.
Rat pups born to mothers which received alcohol throughout gestation are compared to humans.

An enzyme is a substance that acts as a catalyst in living organisms.
It hepls in regulating the rate at which chemical reactions proceed without itself being altered in the process.
The biological processes that occur within all living organisms are chemical reactions, and most are regulated by enzymes.
Mostly, they have protein nature.

Altruism is a type of behavior.
It occurs within a species rather than between different species.
Altruism in animals describes a range of behaviors performed by animals that may be to their own disadvantage but which benefit others.
The costs and benefits are measured in terms of reproductive fitness, or expected number of offspring

Imprinting is the process where an animal, usually a young one, learns to identify its own species.
It learns the appropriate social behaviors.
It usually occurs in the first few weeks or months of life.
The young animal will learn to follow and imitate the adults of its own species.

Biosphere Reserve is an international designation by United Nations Educational, Scientific and Cultural Organization (UNESCO).
It is instituted for representative parts of natural and cultural landscapes extending over large areas of terrestrial or coastal/marine ecosystems or a combination of both.
Biosphere Reserves tries to balance economic and social development and maintenance of associated cultural values.
It mainly focus on the preservation of nature.

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