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DNA structure. DNA consists of two long chains of nucleotides twisted into a double helix and joined by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine. covalent bond. a bond formed when atoms share one or more pairs of electrons. amino acids.
what are held together by covalent bonds? the bases. what are held together by hydrogen bonds? Study with Quizlet and memorize flashcards containing terms like nucleotides, a phosphate group, a deoxyribose sugar, and a nitrogen containing base, the nitrogen containing bases and more.
Study with Quizlet and memorize flashcards containing terms like Deoxyribonucleic acid (DNA), Nucleotide, Nitrogen Containing bases and more.
2 mar 2012 · This document discusses the structure, properties, and functions of DNA. It describes DNA as a polymer composed of deoxyribonucleotides that carries the genetic information found in chromosomes, mitochondria, and chloroplasts.
11 maj 2017 · DNA is composed of nucleotides that contain nitrogen bases, sugars, and phosphates. The order of these nucleotides determines the genetic code. DNA exists as a double helix structure with two complementary strands joined by hydrogen bonds between nitrogen bases on each strand.
11 wrz 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).
Draw and label the structure of a nucleosome, including the H1 protein, the octamer core proteins, linker DNA and two wraps of DNA. Identify nucleosome structures using molecular visualization software.
