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Mar 2, 2012 · The basic structure of DNA involves two anti-parallel strands coiled around each other to form the familiar double helix structure, held together by hydrogen bonds between complementary nucleotide base pairs and base stacking interactions.
Sep 11, 2019 · DNA is a double-stranded molecule that forms a helical structure. It is composed of nucleotides, each containing a phosphate group, deoxyribose sugar, and a nitrogenous base. There are two types of bases: purines (adenine and guanine) and pyrimidines (cytosine and thymine).
May 5, 2010 · 1. DNA is made up of deoxyribose, phosphate groups, and four nitrogenous bases (adenine, guanine, cytosine, thymine). 2. The bases pair up through hydrogen bonding between complementary base pairs (adenine with thymine, cytosine with guanine). 3.
DNA Structure. A gene is a section of DNA that codes for a protein. Each unique gene has a unique sequence of bases. This unique sequence of bases will code for the production of a unique...
DNA is a large molecule made of small parts called nucleotides. Each nucleotide contains three parts: 1. sugar (deoxyribose) 2. phosphate group 3. nitrogen base (any of 4, adenine, thymine,...
Aug 1, 2014 · Structure of DNA – Levels of Complexity • Nucleotides = building blocks • Strand = covalently linked nucleotides in a linear fashion • Double helix = two strands twisted together • Chromosome = association of DNA with proteins to organize strands into a compact structure • Genome = complete complement of an organism’s genetic material
DNA: History and Structure. Presentation on theme: "DNA: History and Structure."—. Presentation transcript: Because of the structure of DNA, the Base-Pairing Rule, and the “tool” from the previous slide, if given ONE side of DNA, you can give the “other side.”.
