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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
Differentiate between Euchromatin and Heterochromatin.
Although a prokaryotic cell has no defined nucleus, yet DNA is not scattered throughout the cell. Explain.
In an octamer of the nucleosome, core DNA consists of ______ base pairs.
Explain the formation of a nucleosome.
The length of DNA can be calculated by ______.
Which of the following is correct about mature RNA in eukaryotes?
Read the following and answer from given below:
In prokaryotes, DNA is circular and present in the cytoplasm but in eukaryotes, DNA is linear and mainly confined to the nucleus. DNA or deoxyribonucleic acid is a long polymer of nucleotides. In 1953, the first correct double-helical structure of DNA was worked out by Watson and Crick. Based on the X-ray diffraction data produced by Maurice Wilkins and Rosalind Franklin. It is composed of three components, i.e., A phosphate group, a deoxyribose sugar, and a nitrogenous base. Different forms of DNA are B-DNA, Z-DNA, A-DNA, C-DNA, and D-DNA.
Name the linkage present between the nitrogen base and pentose sugar in DNA.
In the eukaryotic cell cycle, cell fusion experiments show that:
Distinguish between heterochromatin and euchromatin. Which of the two is transcriptionally active?
Part of chromatins which is densely packed stain darkly and is transcriptionally inactive is called ______.
