Phosphate Backbone - National Human Genome Research Institute
3 days ago · DNA consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups. Attached to each …
1.1: The Structure of DNA - Biology LibreTexts
DNA and RNA are made up of monomers known as nucleotides. The nucleotides combine with each other to form a polynucleotide, DNA or RNA. Each nucleotide is made up of three components: a …
Biochemistry, DNA Structure - StatPearls - NCBI Bookshelf
Jun 12, 2023 · A molecule of DNA is made up of two long polynucleotide chains consisting of subunits known as nucleotides. A nucleotide comprises a nitrogenous base, a pentose sugar, and at least one …
phosphate backbone | Learn Science at Scitable - Nature
The sugar-phosphate backbone forms the structural framework of nucleic acids, like DNA and RNA, and is composed of alternating sugar and phosphate groups.
DNA Structure: Exploring the Double Helix and Its Components
May 25, 2025 · Sugar-phosphate backbone The sugar-phosphate backbone is the structural framework of each DNA strand, consisting of alternating deoxyribose sugar and phosphate groups linked by …
What makes up the outer regions of a DNA molecule and the rungs of …
The outer regions of a DNA molecule are composed of alternating sugar and phosphate groups. The sugar is deoxyribose, which is part of the backbone structure that provides stability and support to …
DNA AND RNA STRUCTURE – BIOLOGY BASICS - Maricopa Open …
The specificity in DNA is in the order of the nucleotides. DNA is a double-stranded molecule. DNA contains the hereditary information, it is the genetic blueprint. DNA is a cell basic, all cells have DNA. …
DNA structure - BioTopics
The outside edges of the DNA double helix are composed of alternating deoxyribose and phosphate groups. Deoxyribose shows as 5-membered rings - 4 greys [carbon] and 1 oxygen [red], with another …
Biology 2e, The Chemistry of Life, Biological ... - OpenEd CUNY
In a double stranded DNA molecule, the two strands run antiparallel to one another so that one strand runs 5′ to 3′ and the other 3′ to 5′. The phosphate backbone is located on the outside, and the bases …
What makes up the sides of the DNA molecule? What makes up the …
The sides of the DNA molecule, also known as the backbone, are made up of alternating sugar (deoxyribose) and phosphate groups. The "rungs" of the DNA molecule are made up of pairs of …