Home
Class 12
BIOLOGY
Assertion: The proinsulin contains an ex...

Assertion: The proinsulin contains an extra stretch called as C-peptide
Reason :Insulin consists of two short polypeptide chans A & B that are linked together by disulphide bridges

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • BIOTECHNOLOGY : PRINCIPLES AND PROCESSES

    MOTION|Exercise EXERCISE -3|71 Videos

  • BIOMOLECULES

    MOTION|Exercise EXERCISE - 4|29 Videos

  • BIOTECHNOLOGY: AND ITS APPLICATIONS

    MOTION|Exercise CHECK YOUR CONCEPTS-5|1 Videos

Similar Questions

Explore conceptually related problems

Insulin consists of two short ploypeptide chains: chain A and chain B, that are linked together by

Which of the following statement/s is/are wrong? I. Biotechnology deals with industrial scale production of biopharmaceuticals and biologicals using genetically modified microbes, fungi, plants and animals. II. Insulin consists of two short polypeptide chains: chain A and chain B, that are linked together by disulphide bridges. III. C peptide is not present in the mature insulin and is removed during maturation proinsulin into insulin. IV. The recombinant therapeutics induce unwanted immunological responses. V. For effective treatment of a disease, early diagnosis and understanding its pathophysiology is very important.

With regard to insulin choose correct option. (a) C-peptide is not present in mature insulin (b) The insulin produced by rDNA technology had C-peptide (c)The pro-insulin has C-peptide (d) A-peptide and B-peptide of insulin are interconnected by disulphide bridges

Assertion: In mammals including humans insulins is synthesised as a pro hormone which contains an extra stretch called the c peptide Reason: Like a pro enzyme the pro homone also need to be processed before it become a fully meture and functional hormone

Assertion : All immunoglobulin molecules have a basic structure compsed of four polypeptide chains. Reason : The polypeptide chains consists two identical heavy and light chain connected by disulphide bonds.

Which of the following statements regarding the structure of proinsulin and mature insulin are not correct ? (i) Proinsulin is made up of three polypeptide chains -A,B and C (ii) c- polypeptide chain with 33 amino acids is removed prior to insulin formation (iii) Mature insulin is made up of 51 amino acids arranged in two polypeptide chain -A and B (iv) Polypeptide chain A has 30 amino acids and polypeptide chain B has 21 amino acids (v) Polypeptide chains A and B are interconnected by only one S-S linkage.

Assertion : Human insulin can be produced into bacterial cells using biotechnology Reason : To produce human insulin the A, B and C polypeptides of the human insulin are produced separately in the bacterial cells, extracted and combined by creating disulphide bonds

Assertion (A) : Chloral is not alkyl halide. Reason (R ) Chloral molecule contains two OH groups linked to same C atom.

MOTION-BIOTECHNOLOGY : PRINCIPLES AND PROCESSES-EXERCISE -4
  1. Assertion: Polymerase chain reaction is nick named as people's choice ...

    Text Solution

    |

  2. Assertion: Gene gum method is a direct gene transfer method. Reason ...

    Text Solution

    |

  3. Assertion :- Agrobacterium tumefaciens strain synthesises 'Opines' for...

    Text Solution

    |

  4. Assertion: GM technique has been used to creat tailor made plants to s...

    Text Solution

    |

  5. Assertion: Bacillus thuringiensis produces protein that kills lepidopt...

    Text Solution

    |

  6. Assertion: The choice of cry-gene depends upon the crop & the targeted...

    Text Solution

    |

  7. Assertion: RNAi involves silencing of a specific mRNA due to complemen...

    Text Solution

    |

  8. Assertion: The nematode parasite could not survive in a transgenic pla...

    Text Solution

    |

  9. Assertion: The proinsulin contains an extra stretch called as C-peptid...

    Text Solution

    |

  10. Assertion: Eli Lilly prepared two DNA sequences of A & B chains of ins...

    Text Solution

    |

  11. Assertion: ADA deficiency can not be cured permanently by gene therapy...

    Text Solution

    |

  12. Assertion: In gene therapy of SCID, a patient requires periodic infusi...

    Text Solution

    |

  13. Assertion: ELISA is based on the principle of antigen antibody interac...

    Text Solution

    |

  14. Assertion: PCR is a powerful technique to identify many genetic disord...

    Text Solution

    |

  15. Assertion: Transgenic animals are those animals whose DNA is mainpulat...

    Text Solution

    |

  16. Assertion: The milk of 1^(st) transgenic cow, 'Rosie' is far better th...

    Text Solution

    |

  17. Assertion: Transgenic mice are being used to test the safety of the po...

    Text Solution

    |

  18. Assertion :- Biopiracy refers to the use of bioresources by multinatio...

    Text Solution

    |

  19. Assertion: The protein encoded by cry I Ab is not effective in control...

    Text Solution

    |

  20. Assertion: GEAC will make decision regarding the validity of GM resear...

    Text Solution

    |