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प्रश्न
Distinguish between heterochromatin and euchromatin with reference to staining property and activity.
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उत्तर
| Heterochromatin | Euchromatin | |
| 1. | It stains strongly and appears dark. |
It stains light. |
| 2. | It is metabolically less active. |
It is metabolically more active. |
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संबंधित प्रश्न
Name the transcriptionally active region of chromatin in a nucleus.
Find the odd one out:
Explain the formation of a nucleosome.
The chromatin is packed to form a solenoid structure of ______ diameter.
The net electric charge on DNA and histones is ______.
______ are the amino acids of histones.
Name the enzymes involved in replacement of gaps during RNA processing in prokaryotes and eukaryotes.
The non-condensed, light stained and transcriptionally active segments of chromosomes are called ______.
Statement I: In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid.
Statement II: In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome.
In the light of the above statements, choose the correct answer from the options given below:
Histones are best characterised as:
