DNA Structure

dna structure  The DNA molecule is a long, coiled double helix that resembles a spiral staircase In it, two strands, composed of sugar and phosphate molecules, Local structural transitions from the common B-DNA conformation into other DNA forms can be functionally important This chapter describes the structures of

The basic units of DNA are nucleotides These nucleotides consist of a deoxyribose sugar, phosphate and base  What are the key differences between DNA and RNA? - Function - Sugar - Bases - Structure - Location Unusual types of DNA and RNA - Z-DNA

Within eukaryotic cells, DNA is organized into long structures called chromosomes Before typical cell division, these chromosomes are duplicated in the process DNA Structure As proposed by Watson and Crick, deoxyribonucleic acid consists of two long nucleotide chains The two nucleotide chains twist around one