Advertisements
Advertisements
प्रश्न
Differentiate between Heterochromatin & Euchromatin.
Advertisements
उत्तर
| No. | Heterochromatin | Euchromatin |
| 1. | In eukaryotic cells, some segments of chromonema/ chromosome during interphase and early prophase remain in a condensed state. These regions constitute heterochromatin. | The regions of chromonema which are in a non-condensed state constitute euchromatin. |
| 2. | It is genetically and transcriptionally inactive. | It is genetically and transcriptionally very much active and fast replicating. |
| 3. | It stains strongly and appears dark. | Euchromatic regions stain light. |
संबंधित प्रश्न
Describe the structure of a nucleosome.
In an octamer of the nucleosome, core DNA consists of ______ base pairs.
Short Answer Question:
Write a short note on DNA packaging in the eukaryotic cell.
Explain the formation of a nucleosome.
The additional set of proteins required for packaging of chromatin at higher level are called ______.
Read the following and answer from given below:
The translation is the process of polymerization of amino acids to form a polypeptide. The order and sequence of amino acids are defined by the sequence bases in the mRNA. The amino acids are joined by a bond called a peptide bond. The ribosome is the site of protein synthesis.
During translation, how many initiation factors are required in eukaryotes for initiation reactions?
Which one of the following is not considered as part of the endomembrane system?
Which one of the following statements about Histones is wrong?
What would happen if histones were to be mutated and made rich in acidic amino acids such as aspartic acid and glutamic acid in place of basic amino acids such as lysine and arginine?
The most abundant prokaryotes helpful to human in making curd from milk and in the production of antibiotics are the ones categorised as ______ .
