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Read the following text and answer the following question on the basis of the same:
The term biotechnology refers to the use of living organisms or their products to modify human health and their human environment. For example, ‘testtube’ programme, synthesis of a gene or correcting a defective gene are all part of biotechnology. The basis of modern biotechnology is genetic engineering and maintenance of sterile conditions. Genetic engineering is the technique that alter the chemistry of genetic material i.e. DNA and RNA, then this genetic material is introduced into host organisms, which alter the phenotype of the host organism.
Q. The specific DNA sequence where EcoRI cuts is :
  • a)
    GATTCG
  • b)
    GAATTC
  • c)
    GTTCAA
  • d)
    TTCCAA
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
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ECoRI recognises GAATAC base pairs that cuts between G and A.
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Biotechnology and Genetic Engineering

Biotechnology is a field that involves the use of living organisms or their products to modify human health and the human environment. It encompasses various techniques such as the 'testtube' programme, gene synthesis, and gene correction. The foundation of modern biotechnology lies in genetic engineering and the maintenance of sterile conditions.

Genetic Engineering and DNA

Genetic engineering is a technique used to alter the chemistry of genetic material, specifically DNA and RNA. DNA (deoxyribonucleic acid) is a molecule that contains the genetic instructions used in the development and functioning of all known living organisms. It is made up of a sequence of nucleotides, which are represented by the letters A, T, G, and C (adenine, thymine, guanine, and cytosine).

EcoRI and DNA Cutting

EcoRI is a type of enzyme known as a restriction endonuclease, which is commonly used in genetic engineering. This enzyme recognizes specific DNA sequences and cuts the DNA at those locations. The specific DNA sequence where EcoRI cuts is GAATTC.

Explanation of the Answer

The correct answer to the given question is option B, which states that the specific DNA sequence where EcoRI cuts is GAATTC. This answer is accurate because EcoRI is a restriction endonuclease that recognizes and cuts DNA at the sequence GAATTC.

Key Takeaways
- Biotechnology refers to the use of living organisms or their products to modify human health and the human environment.
- Genetic engineering is a technique that alters the chemistry of genetic material, specifically DNA and RNA.
- DNA is a molecule that contains genetic instructions and is made up of nucleotides represented by the letters A, T, G, and C.
- EcoRI is a type of enzyme used in genetic engineering that cuts DNA at specific sequences.
- The specific DNA sequence where EcoRI cuts is GAATTC.

Overall, understanding the principles of biotechnology and genetic engineering is crucial in the field of healthcare and environmental modification. By manipulating genetic material, scientists can make significant advancements in various areas, including medicine, agriculture, and industry.
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Read the following text and answer the following question on the basis of the same:The term biotechnology refers to the use of living organisms or their products to modify human health and their human environment. For example, ‘testtube’ programme, synthesis of a gene or correcting a defective gene are all part of biotechnology. The basis of modern biotechnology is genetic engineering and maintenance of sterile conditions. Genetic engineering is the technique that alter the chemistry of genetic material i.e. DNA and RNA, then this genetic material is introduced into host organisms, which alter the phenotype of the host organism.Q. The specific DNA sequence where EcoRI cuts is :a)GATTCGb)GAATTCc)GTTCAAd)TTCCAACorrect answer is option 'B'. Can you explain this answer?
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