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Heterochoromatin is (a) darkly stained r...

Heterochoromatin is (a) darkly stained region (b) loosely packed chromatin (c) transcriptionally inactive

A

only (a)

B

only(a) and (b)

C

only (b) and (c)

D

only(a) and(c)

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Heterochromatin is (a) Darkly stained region (b) Loosely packed chromatin (c) Transcriptionally inactive

Transcriptionally inactive chromatin is called heterochromatin.

Knowledge Check

  • Ligtly stained region of chromatin during interphase is

    A
    Genetically inactive
    B
    Highly condensed region
    C
    Rich in loosely packed DNA
    D
    Rich in tightly packed DNA

  • Which is the transcriptionally inactive chromatin ?

    A
    Euchromatin
    B
    Heterochromatin
    C
    Loosely packed chromatin
    D
    Both B and C

  • Read the following satements and select the correct option. Loosely packed and light stained region of chromation are called as heterochromatin. (ii) Densely packed and dark stained region of chromatin are called as euchromatin. (iii) A typical nucleosome contains 200 bp of DNA helix.

    A
    Statements (i) and (ii) are true , but statement (iii) is false.
    B
    Statement (i) and (ii) are false, but statement (iii) is true.
    C
    Statement (ii) and (iii) are true , but statement (i) is false.
    D
    All the statements are true.

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    Give the technical term for the darkly stained and transcriptionally inactive part of chromatin.

    Euchromatin is: a. Loosely packed b. Stains light c. Transcriptionally active d. Early replicating Choose the option with the correct choice of characters.

    Euchromatin is transcriptionally …..A……. chromatin and heterochromatin is transcriptionally …….B……. chromatin. Choose the correct option for A and B.

    Consider the following statements : A. RNA has evolved from DNA with chemical modification that make it more unstable. B. Central dogma in molecular biology states that the genetic information flows from DNA rarr RNA rarr Protein. C. In some virsus like tobacco mosaic viruses, QB bacteriophage, DNA is the genetic material. D. Euchromatin is said to be transcriptionally active chromatin, whereas heterochromatin is inactive. Of the above statements :

    The region of chromatin that is stained lightly is

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