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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.
Describe the structure of a nucleosome.
AUG codon gives ________ & ________ amino acids in prokaryotes & Eukaryotes respectively.
Write a note on the packaging of DNA 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.
The double helix structure of DNA was proposed by ______
Which process occurs in the regulation of gene expression in prokaryotes but does not occur in the regulation of gene expression in eukaryotes?
During translation initiation in prokaryotes, a GTP molecule is needed in:
Replication of DNA in eukaryotes is initiated by ______.
Define the Transfection.
Nucleosomes are the repeating units of chromatin the part between adjacent nucleosomes is called ______ .
