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DNA Replication Made easy 1 день назад


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DNA Replication Made easy

DNA replication is the biological process where a cell makes an exact copy of its DNA, ensuring each daughter cell receives a complete set of genetic information during cell division. Here's a more detailed breakdown: Purpose: Before a cell divides, it must replicate its DNA so that each new cell (daughter cell) receives a complete copy of the genetic material. Process: Initiation: The process begins at specific regions on the DNA called origins of replication, where enzymes unwind the double helix. Unwinding: Helicases, enzymes that unwind the DNA double helix, create a replication fork, a Y-shaped structure where replication occurs. Elongation: DNA polymerase, another enzyme, adds new DNA nucleotides to the 3' end of the newly synthesized strand, following the template strand's base pairing rules (A with T, and C with G). Proofreading: DNA polymerase also has proofreading capabilities, ensuring the newly synthesized DNA is accurate. Termination: Replication continues until the entire DNA molecule is copied, and the two new DNA molecules are separated. #dna #replication #dnareplication #helicase ‪@EMBLorg‬

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