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प्रश्न
Differentiate between Euchromatin and Heterochromatin.
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उत्तर
| Sr. no | Euchromatin | Heterchromatin |
| 1. | It is a loosely packed region of chromatin. | It is a densely packed region of DNA. |
| 2. | It stains light. | It stains dark. |
| 3. | Euchromatin is a transcriptionally active chromatin region. | Heterochromatin is a transcriptionally nearly dormant portion of the genome. |
संबंधित प्रश्न
Name the transcriptionally active region of chromatin in a nucleus.
Although a prokaryotic cell has no defined nucleus, yet DNA is not scattered throughout the cell. Explain.
Differentiate between Heterochromatin & Euchromatin.
Draw a neat and labelled diagram of the Nucleosome.
Write a note on the packaging of DNA in Eukaryotes.
Explain the formation of a nucleosome.
The length of DNA can be calculated by ______.
The net electric charge on DNA and histones is ______.
Electron Transport System (ETS) is present in a eukaryotic cell in the:
In the eukaryotic cell cycle, cell fusion experiments show that:
Distinguish between heterochromatin and euchromatin. Which of the two is transcriptionally active?
In an experiment, DNA is treated with a compound which tends to place itself amongst the stacks of nitrogenous base pairs. As a result of which, the distance between two consecutive base increases, from 0.34nm to 0.44 nm. Calculate the length of DNA double helix (which has 2 × 109 bp) in the presence of saturating amount of this compound.
Distinguish between heterochromatin and euchromatin with reference to staining property and activity.
Name the enzymes involved in replacement of gaps during RNA processing in prokaryotes and eukaryotes.
Histones are enriched with ______.
What is a histone octamer?
What is the perimeter length of E. coli DNA?
How many base pairs are contained in E. coli DNA?
Which of the following correctly describes prokaryotic DNA?
Which of the following correctly represents the basic repeating unit in prokaryotes versus eukaryotes?
