In which region of the interphase chromosome does transcription take place ?
- Telomere
- Heterochromatin
- Euchromatin
- Centromere
The Correct Option is C
Approach Solution - 1
Approach Solution -2
Ans: The process of synthesis of RNA from DNA is called transcription, and it occurs in the nucleus of eukaryotes. The region of the interphase chromosome where transcription occurs is called euchromatin.
Euchromatin is the less condensed form of chromatin, it is a more extended form. It is more accessible for the process of transcription than heterochromatin. Heterochromatin is the condensed form, which is transcriptionally inactive. Euchromatin regions allow the gene expression to take place.
If we did the staining of both heterochromatin and euchromatin, euchromatin due to its less condensed form will show light staining. The genes encoded by these regions are involved in cellular activities.
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Concepts Used:
Cell Cycle and Cell Division
Cell Cycle:
The sequence of events by which a cell copies itself synthesizes other constituents of the cell and eventually splits into two daughter cells is termed the cell cycle. The cell synthesizes all its constituents in a sequential pattern to make sure the proper division and distribution of components that occurs between the two daughter cells. Therefore, we can say that the cell cycle is the period of time between the development of new daughter cells and their further division.
Stages of Cell Cycle:
The cell cycle can be sub-divided into an additional category of Interphase. Meanwhile, the Interphase can be branched into 3 further stages, such as:
- G1 Phase - “Gap 1 Phase”
- S Phase - "Synthesis Phase"
- G2 Phase - "Gap 2 Phase"
Read More: Cell Cycle and Cell Division
Cell Division:
The division of the parent cells into two or more cells is called daughter cell, cell division takes place. In general, it occurs as a part of a larger cell cycle. All the cell reproduces by dividing into two, wherein each parental cell produces two daughter cells.
Stages of Cell Division:
Cell division can be widely divided into several sub-segments that result from Mitosis and Meiosis.
- Mitosis or (M Phase)
- Meiosis