Home
Class 12
BIOLOGY
Read the following statements and choose...

Read the following statements and choose the correct one(s). A. During DNA replication, Adenine pairs with Uracil B. Chargaff's rule is applicable only for double stranded DNA. C. The area with long sequence of short repetitive DNA is called satellite DNA.

A

A and B

B

B and C

C

Only B

D

Only C

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TEST 1

    AAKASH INSTITUTE ENGLISH|Exercise Examplle|19 Videos

  • TEST 3

    AAKASH INSTITUTE ENGLISH|Exercise EXERCISE|94 Videos

Similar Questions

Explore conceptually related problems

Read the following statements about satellite DNA and pick out the correct one

Read the following statements and choose the correct statements. A. Cilia and flagella are covered with plasma membrane. B. Centrioles form the basal body of only cilia and not flagella. C. Approximately 2 m long thread of DNA is distributed among 46 pairs of chromosomes in a single human cell. D. Movement of proteins and RNA into or out of nucleus occurs through nuclear pores.

Read the following statement and choose the correct option: I. Agrobacterium tumefaciencs, a pathogen of several monocot plants, is able to deliver a piece of DNA known as "T-DNA". II. The tumor inducing (Ti) plasmid of Agrobacterium tumefaciens has been modified into a cloning vector, which is more pathogenic to the plants.

Read the following statements and select the correct ones. (i) Electrophoresis is a technique used for the separation of molecules based on their size and charge. (ii) Plasmids are extra-chromosomal, self-replicating, usually circular, double stranded DNA molecules found naturally in many bacteria and also in some yeast,. (iii) It is not advisable to use an exonuclease enzyme while producing a recombinant DNA molecule. (iv) In EcoRl, the roman numberal I indicates that it was the first enzyme isolated from E.coli A) (i) and (ii) B) (iii) and (iv) C) (i),(ii) and (iv) D) (i),(ii),(iii) and (iv)

Read the following statements and select the correct ones. (i) Same kind of sticky ends are produced when a DNA has been cut by different restriction enzymes. (ii) Exonucleases make cuts at specific positions within the DNA. (iii) Hind ll was the first restriction endonuclease to be isolated. (iv) A bacteriophage has the ability to replicate within bacterial cells by integrating its DNA with bacterial DNA. (v) Presence of more than one recognition sites for a enzyme within the vector facilitates the gene cloning.

Read the following statements and choose the option with incorrect statements. (a) Restriction enzymes are obtained from prokaryotes. (b) Restriction endonucleases cut DNA strands by breaking hydrogen bonds at specific points. (c) More than 230 restriction enzymes have been isolated from more than 900 strains of bacteria. (d) Each restriction enzyme recognizes a specific palindromic nucleotide sequence in DNA.

Go through the following statements: (i) Viruses are obligate parasites (ii) Viruses that infect plants in general have single stranded DNA (iii) Bacteriophages are double stranded DNA viruses. (iv) The coat is made of protein subunits called nucleomeres. Find the correct statements

Read the following statements (i) to (iv) (i) During transcription, adenine pairs with uracil. (ii) The human genome has about 98% of junk DNA. (iii) A human gene on an average contains 300 bps and there are about 30,000 genes in the human genome. (iv) Y - chromosome of the human genome has the least number of genes , i.e., 321 in the human genome. How may statements are CORRECT ?

Read the following statements regarding agarose gel electrophoresis and select the CORRECT ones. I. The longest DNA fragments are nearest to the anode. II. The matrix of the gel is a natural polymer obtained from seaweeds. III The process is used to check the progression of restriction enzyme digestion. IV. The fragments of DNA separated due to the sieving effect provided by agarose gel.

Read the following statements and select the corect ones. i. Monocistronic structural genes in eukaryotes have uninterrupted coding sequences, ii. Coding sequences of a gene are called exons.iii. There is a single DNA-dependent RNA polymerase that catalyses transcription of all types of RNA in bacteria.iv. In eukaryotes, RNA polymerase.. lll is responsible for the transcription of 28S rRNA

AAKASH INSTITUTE ENGLISH-TEST 2-EXERCISE
  1. The structures which appear as "beads on string" in chromatin under el...

    Text Solution

    |

  2. Four DNA samples were extracted from different organisms whose sequenc...

    Text Solution

    |

  3. Read the following statements and choose the correct one(s). A. During...

    Text Solution

    |

  4. N-glycosidic linkages in a polynucleotide chain join

    Text Solution

    |

  5. All the termination codons of universal genetic codes begin with a nuc...

    Text Solution

    |

  6. In the synthesis of which of the following, DNA is not directly involv...

    Text Solution

    |

  7. Choose the incorrect statement.

    Text Solution

    |

  8. The antigen-binding site of the antibody molecule is called "paratope"...

    Text Solution

    |

  9. The regression in size of which organ is associated with reduction in ...

    Text Solution

    |

  10. Read the following statements. (A) B-lymphocytes produce an army of pr...

    Text Solution

    |

  11. Mark the correct option.

    Text Solution

    |

  12. If a person is infected with deadly pathogen/toxin against which quick...

    Text Solution

    |

  13. Choose the correct option with respect to the lymphoid organs

    Text Solution

    |

  14. Which of the following set of diseases is caused by bacteria? (a) Dyse...

    Text Solution

    |

  15. Histamine, serotonin are secreted by mast cells upon activation by (a)...

    Text Solution

    |

  16. Appearance of dry, scaly lesions on various body parts such as nails a...

    Text Solution

    |

  17. Select one of the following correct statement in relation to malaria.

    Text Solution

    |

  18. Disease whose spread can be biologically controlled by larvivorous fis...

    Text Solution

    |

  19. Sperm-

    Text Solution

    |

  20. Lungs are not affected in which of the following diseases?

    Text Solution

    |