Question
Question: How is the process of transcription different in prokaryotes and eukaryotes?...
How is the process of transcription different in prokaryotes and eukaryotes?
Solution
The phase in which proteins are formed by cells is called protein synthesis. In reality, it consists of two processes, transcription and translation. The transcription takes place at the nucleus. It utilizes DNA as a template to create a molecule of RNA. RNA leaves the nucleus and moves to the ribosome in the cytoplasm, where the translation happens.
Complete answer:
Prokaryotes are single celled species without organelles or other internal membrane-bound structures. Therefore, they will not have a nucleus, instead have a single chromosome, a fragment of circular, double-stranded DNA found in a cell region called the nucleoid. Many prokaryotes have a cell wall outside of the plasma membrane. Prokaryotes are organisms, like bacteria and archaea, which lack nucleus and other complex cell structures.
Eukaryote is a complex cell or cell organism in which the genetic material is arranged into a membrane-bound nucleus or nuclei. Eukaryotes consist of animals, plants, and fungi, most of which are multicellular. Eukaryotes share a similar origin, and are also formally regarded as a super-kingdom. Eukaryotic cells possess organelles, including mitochondria, Golgi, endoplasmic reticulum, and lysosomes. There are many exceptions to this, for example, the absence of mitochondria and nucleus in red blood cells and the absence of mitochondria in the oxymonad species of Monocercomonoides.
Transcription in Prokaryotes | Transcription in Eukaryotes |
---|---|
Transcription and translation happen simultaneously | Transcription and translation do not happen simultaneously. |
Transcription occurs in cytoplasm. | Transcription occurs in the nucleus. |
RNAs were released and processed in the cytoplasm | RNAs were released and processed in the nucleus. |
RNA polymerase is a complex of five polypeptides. | RNA polymerase is a complex of 10-15 polypeptides. |
Doesn't really require either proteins or other factors to initiate transcription | Needs proteins identified as transcription initiation factors. |
Note: Whether an organism is prokaryotic or eukaryotes few aspects apply to all types of cells. All organisms consist of one or more cells. Every cell generates from an already existing cell. Within the boundary of the cell only every life activity happens. Each cell consists of the genetic material that is needed to formulate functioning of the cell and pass the information to new cells.