Home
Class 12
BIOLOGY
The two polynucleotide chains in DNA are...

The two polynucleotide chains in DNA are

A

semiconservative

B

Parallel

C

discontinuous

D

antiparallel

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • EVOLUTION

    SARAS PUBLICATION|Exercise EXERCISE|84 Videos

  • Govt Solved Paper 2020 (2)

    SARAS PUBLICATION|Exercise EXERCISE|43 Videos

Similar Questions

Explore conceptually related problems

Enzyme that cleaves nucleic acids within the polynucleotide chain is known as ……………………

Statements i. The four nucleotide bases are not necessarily present in DNA in exact equal proportions. ii. The total amount of purines are equal to the total amount of pyrimidines. iii. DNA ligase enzyme act to hydrolyse or break down a polynucleotide chain into its component nucleotides. iv. Nuclease enzymes are capable of restoring an intact DNA duplex. Of the above statements

The "__________________" molecule is made up of four polynucleotide chains.

Diagram of a double stranded polynucleotide chain is shown below. What do the numbers I, II, III and IV indicate?

Insulin molecules is made of two polypetide chains. The chain A has (i) amino acids B chain has (ii) amino acids?

DNA is

StatementA: Human insulin is formed of 51 amino acids arranged in two polypeptide chains, A and B. Statement B: The polypeptide chain A has 30 amino acids and the polypeptide chain B has 21 amino acids.

The enzyme polynucleotide phosphorylase is named after "_________"

Polypeptide chains of two haemoglobin molecules are shown below. One of the chains shows an abnormality. Observe the diagram and answer the following questions. a. Which of the polypeptide chain in haemoglobin is abnormal leading to a disease? b. What is the reason for this abnormality? c. What will be the effect of this change in polypeptide chain?

Which one of the following hydrolysis internal phosphodiester bonds in a polynucleotide chain?

SARAS PUBLICATION-GENETICS AND EVOLUTION-EXAMPLE
  1. Two genes R and Y are located very close on the chromosomal linkage ma...

    Text Solution

    |

  2. Differentiation of organs and tissues in a developing organism, is ass...

    Text Solution

    |

  3. The two polynucleotide chains in DNA are

    Text Solution

    |

  4. Which one of the following pairs of plant structures has haploid numbe...

    Text Solution

    |

  5. Polytene chromosomes are formed by ………..

    Text Solution

    |

  6. In the DNA molecules.

    Text Solution

    |

  7. Which one of the following scientist's name is correctly matched with ...

    Text Solution

    |

  8. Haploids are more suitable for mutation studies than the diploids. Thi...

    Text Solution

    |

  9. The linking of antibiotic resistance gene with the plasmid vector beca...

    Text Solution

    |

  10. Which one of the following is commonly used in transfer of foreign DNA...

    Text Solution

    |

  11. The genetic defect adenosine deaminase deficiency may be cured permane...

    Text Solution

    |

  12. Which one of the following cannot be explained on the basis of Mendel’...

    Text Solution

    |

  13. ABO blood groups in humans are controlled by the gene I. It has three ...

    Text Solution

    |

  14. Select the correct statement from the ones given below with respect to...

    Text Solution

    |

  15. The one aspect which is not a salient feature of genetic code, is its ...

    Text Solution

    |

  16. Which one of the following palindromic base sequence in DNA can be eas...

    Text Solution

    |

  17. DNAor RNA segment tagged with a radioactive molecule is called

    Text Solution

    |

  18. Restriction endonucleases are enzymes which

    Text Solution

    |

  19. Satellite DNA is useful tool in:

    Text Solution

    |

  20. The second maturation division of the mammalian ovum occurs:

    Text Solution

    |