DNA DUPLEX Meaning and
Definition
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DNA duplex refers to the double-stranded structure formed by two complementary strands of deoxyribonucleic acid (DNA) molecules. Each strand consists of a linear polymer of nucleotides, which are made up of a sugar-phosphate backbone and four nitrogenous bases: adenine (A), thymine (T), cytosine (C), and guanine (G). The two strands are held together by hydrogen bonds formed between the base pairs: A with T and C with G.
The DNA duplex is essential for the accurate transmission of genetic information during cell division and replication. It serves as the template for DNA synthesis and plays a crucial role in various biological processes, including DNA repair, recombination, and gene expression.
This structure exhibits key characteristics that make it highly stable and efficient. The complementary base pairing ensures that the DNA sequence on one strand is precisely and accurately replicated on the other strand, leading to fidelity in genetic information transmission. The double helix formation also protects the DNA molecule from damage by enzymes, chemicals, and environmental factors.
The DNA duplex is a fundamental concept in molecular biology and genetics, serving as the basis for the understanding of genetic inheritance and the mechanism behind DNA-protein interactions. Understanding the structure and function of DNA duplexes has paved the way for advancements in fields such as gene therapy, genetic engineering, and forensic analysis.
Common Misspellings for DNA DUPLEX
- sna duplex
- xna duplex
- cna duplex
- fna duplex
- rna duplex
- ena duplex
- dba duplex
- dma duplex
- dja duplex
- dha duplex
- dnz duplex
- dns duplex
- dnw duplex
- dnq duplex
- dna suplex
- dna xuplex
- dna cuplex
- dna fuplex
- dna ruplex
- dna euplex
Etymology of DNA DUPLEX
The word "DNA" stands for deoxyribonucleic acid, a molecule that carries the genetic instructions used in the development and functioning of all known living organisms. The term "duplex" refers to a structure consisting of two complementary parts or strands.
The etymology of "DNA" can be broken down as follows:
1. Deoxyribo-: This prefix comes from "deoxyribose", a sugar molecule found in DNA. The prefix "deoxy-" indicates the absence of one oxygen atom in the ribose sugar, distinguishing it from "ribose", which has one more oxygen atom.
2. -Nucleic Acid: This part of the word reflects the primary function of DNA, which is to store and transmit genetic information. Nucleic acid denotes the presence of nucleotides, the building blocks of DNA.
So, "DNA" essentially describes the chemical composition and function of this molecule.
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