What is the exact meaning of DNA replication means? Explain by giving an example?? Dont give useless answer ,I need full answer
Answers
Answer:
DNA replication is the process by which DNA makes a copy of itself during cell division.
Explanation:
The first step in DNA replication is to ‘unzip’ the double helix structure of the DNA? molecule.
This is carried out by an enzyme called helicase which breaks the hydrogen bonds holding the complementary? bases? of DNA together (A with T, C with G).
The separation of the two single strands of DNA creates a ‘Y’ shape called a replication ‘fork’. The two separated strands will act as templates for making the new strands of DNA.
One of the strands is oriented in the 3’ to 5’ direction (towards the replication fork), this is the leading strand?. The other strand is oriented in the 5’ to 3’ direction (away from the replication fork), this is the lagging strand. As a result of their different orientations, the two strands are replicated differently
DNA polymerase III is an example of this process.
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Answer:
DNA replication is the process of producing two identical replicas of DNA from one original DNA strand. DNA replication occurs in all living organisms acting as the most essential part for biological inheritance. The cell possesses the property of division into 2 or more parts, which makes replication of DNA essential. DNA is made up of 2 connected complementary strands. During replication, these strands are separated. Each strand of the original DNA then acts as a base for the production of its counterpart, a process referred to as semi-conservative replication. As a result of semi-conservative replication, the result will be composed of an original DNA strand as well as a newly synthesized strand. This process mostly occurs in Eukaryotes.
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