DNA REPLICATIONS Meaning and
Definition
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DNA replication is the process through which an exact copy of a DNA molecule is produced. It is a fundamental biological process that is essential for the transmission of genetic information from one generation to the next during cell division. DNA replication primarily occurs during the S phase of the cell cycle.
The process of DNA replication involves several steps. First, the two strands of the DNA molecule unwind and separate, creating a replication fork. Then, the enzyme DNA helicase unwinds and separates the DNA strands by breaking the hydrogen bonds that hold them together. Next, a specialized protein called DNA polymerase attaches to each of the separated strands and begins synthesizing complementary nucleotides according to the base pairing rules (adenine with thymine and cytosine with guanine). This results in two new DNA molecules, each consisting of one original strand and one newly synthesized strand.
The replication process is highly accurate due to the proofreading function of DNA polymerase, which corrects any errors in the replicated DNA sequence. Nevertheless, some errors can occur, leading to mutations that contribute to genetic variation and evolution.
DNA replication is essential for various biological processes, including growth, development, and repair of damaged tissues. It ensures that each new cell receives an accurate copy of the genetic information contained in the original DNA molecule, maintaining genetic continuity and preserving the genetic instructions for life.
Common Misspellings for DNA REPLICATIONS
- sna replications
- xna replications
- cna replications
- fna replications
- rna replications
- ena replications
- dba replications
- dma replications
- dja replications
- dha replications
- dnz replications
- dns replications
- dnw replications
- dnq replications
- dna eeplications
- dna deplications
- dna feplications
- dna teplications
- dna 5eplications
- dna 4eplications
Etymology of DNA REPLICATIONS
The word "DNA replication" originates from the field of molecular biology. DNA stands for deoxyribonucleic acid, which is the molecule that stores genetic information in all living organisms. The term "replication" refers to the process by which DNA molecules make copies of themselves. The word "replication" is derived from the Latin word "replicatio", which means "a repetition or duplication". Therefore, the etymology of "DNA replication" can be traced back to the Latin root "replicatio", which relates to the repetitive nature of the DNA copying process.
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