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Deoxyribonucleic acid is a molecule that carries the genetic instructions used in the growth, .... The backbone of the DNA strand is made from alternating phosphate and sugar residues. The sugar in ...

DNA - structure - Chemguide


The diagram shows a tiny bit of a DNA double helix. ... need to add to this structure before we can build a DNA strand is one of four complicated organic bases.

The Structure and Function of DNA - Molecular Biology of the Cell ...


Each of these chains is known as a DNA chain, or a DNA strand. Hydrogen bonds between the base portions of the nucleotides hold the two chains together  ...

www.ask.com/youtube?q=Diagram of DNA Strand&v=kTH13oI8BSI
Feb 12, 2012 ... 3.3.5 Draw and label a simple diagram of the molecular structure of DNA. Here I demonstrate drawing the structure of DNA. ... If you have trouble drawing the two strands antiparallel, then draw one strand and then turn your ...

DNA: Definition, Structure & Discovery | What Is DNA? - Live Science


Jun 6, 2013 ... Deoxyribonucleic acid or DNA is a molecule that contains the instructions an ... Cool Science Experiment: Extract a strand of your DNA.



Nucleotides; DNA Structure; DNA Function; RNA; Replication; Transcription; Translation; Mutations ... This means that whatever the sequence of bases along one strand, the sequence of bases ... These two functions are shown in this diagram.

The Structures of DNA and RNA - Biology


fundamental DNA structure was found to be the double helix. It told us ... of intra- strand base pairing, RNA exhibits extensive double-helical character and is capable of ...... base pairing (c). [Adapted from a diagram provided by Dr. M. Gellert.] ...

What is the Structure of DNA?


because an A on one DNA strand is always paired with a T on the other strand, and a ... The DNA structure diagram on page T22 illustrates four features of DNA  ...

What is DNA replication? | Facts | yourgenome.org


Jan 25, 2016 ... The separation of the two single strands of DNA creates a 'Y' shape called a replication 'fork'. The two separated strands will act as templates ...

3.3:DNA Structure - HS Biology IB


the molecular structure of DNA. IB QUESTION: Draw a labeled diagram to show four DNA nucleotides, each with a different base, linked together in two strands.

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The Structure of DNA


This figure is a diagram of a short stretch of a DNA molecule which is unwound and ... Notice that in the two figures above, the two strands of a DNA molecule are  ...

DNA Replication Mechanisms - Molecular Biology of the Cell - NCBI ...


During DNA replication inside a cell, each of the two old DNA strands serves as ..... (B) Schematic diagram showing a DNA replication fork and helicase to scale.

BBC - GCSE Bitesize: Structure of DNA


Each strand of DNA is made of chemicals called bases. Do not confuse ... There are four different types of bases, shown as A, T, C and G in the diagram. In DNA ...