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Human Health and Disease

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Human insulin is being commericially produced from a transgenic species of 

  • Escherichia

  • Mycobacterium 

  • Rhizobium

  • Saccharomyces


A.

Escherichia

In 1983 an American company Eli Lily produced the first genetically engineered insulin by first synthesizing two DNA sequences corresponding to A and B insulin chains. The two DNA sequences or genes were made to fuse wit plasmids of Escherichia coli and alter allowed to form insulin chains.

Rhizobium is a Gram-negative, aerobic, motile, non-spore forming symbiotic nitrogen-fixing bacterium. It is an acute bacterial infection of the lungs lymph and meninges. 

Saccharomyces cerevisiae is known as Baker's Yeast and Saccharomyces ellipsoids is wine yeast a these are used in baking and brewing industry respectively.

In 1983 an American company Eli Lily produced the first genetically engineered insulin by first synthesizing two DNA sequences corresponding to A and B insulin chains. The two DNA sequences or genes were made to fuse wit plasmids of Escherichia coli and alter allowed to form insulin chains.

Rhizobium is a Gram-negative, aerobic, motile, non-spore forming symbiotic nitrogen-fixing bacterium. It is an acute bacterial infection of the lungs lymph and meninges. 

Saccharomyces cerevisiae is known as Baker's Yeast and Saccharomyces ellipsoids is wine yeast a these are used in baking and brewing industry respectively.

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List advantages of good health.

Healthy people are more efficient and productive. good health also brings prosperity and people live long. It also reduces infant and maternal mortality.
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What is disease ?

Malfunctioning of one or more organs characterised by signs and symptoms is called disease.
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What is the significance of ‘Typhoid Mary’ ?

Typhoid Mary was a Typhoid carrier who continued to spread typhoid for several years through food she prepared.
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What is health ?

It is a state of complete, physical, mental and social well being of a person.
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Name three important aspects to maintain good health.

(i) Balanced diet (ii) Personal hygiene and (iii) Regular exercise.
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