Advertisements
Advertisements
प्रश्न
Distinguish between heterochromatin and euchromatin. Which of the two is transcriptionally active?
Advertisements
उत्तर
| Heterochromatin | Euchromatin |
| DNA is highly packed in the chromosome. | DNA is loosely packed in the chromosome. |
| It has a high density of DNA. | It has a low density of DNA. |
| It is only contained in Eukaryotes. | Prokaryotes and eukaryotes both contain euchromatin. |
APPEARS IN
संबंधित प्रश्न
Draw a neat and labelled diagram of the Nucleosome.
Which of the following is the CORRECT statement with respect to formation of nucleosome?
Nucleosome core is made of ______.
Find out the wrong statement about heterochromatin.
A stretch of euchromatin has 200 nucleosomes. How many bp will there be in the stretch and what would be the length of the typical euchromatin?
Read the following and answer from given below:
The process of copying genetic information from the template strand of DNA into RNA is called transcription. It is mediated by RNA polymerase. Transcription takes place in the nucleus of eukaryotic cells. In transcription, only a segment of DNA and only one of the strands is copied into RNA.
Monocistronic structural genes are found in which organisms?
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?
Electron Transport System (ETS) is present in a eukaryotic cell in the:
What do the 'beads on strings' structure of DNA packaging represent?
Replication of DNA in eukaryotes is initiated by ______.
In a mature, functional mRNA of eukaryotes______.
Define the Transfection.
Nucleosomes are the repeating units of chromatin the part between adjacent nucleosomes is called ______ .
Who among the following has developed technique to synthesize artificial mRNA with known repeated sequences of two or three nucleotides?
How many base pairs are contained in E. coli DNA?
What diameter is achieved after the circularisation step in prokaryotic DNA packaging?
What is the role of topoisomerase I in prokaryotic DNA packaging?
Which of the following are core histones that form part of the histone octamer?
What is the role of histone H1 in eukaryotic chromatin?
What roles do HU proteins play in prokaryotic DNA organisation?
