dna structure

dna structure   Dan dna bet

A detailed look at DNA reveals the features that make up the double-helix molecule The

As mentioned, DNA is a polymer of nucleotides joined together The backbone of DNA is made of alternating phosphate groups and sugars, represented by the green DNA Shape The most common DNA shape illustrated by artists and scientists looks a lot like a twisting ladder Scientists call this a double

ถ่ายทอดสด โม โต จี พี่ วันนี้ The structure of DNA is a double helix In other words, it is a double stranded molecule that twists like a spiral staircase The outsides of the molecule, the DNA is a double helical structure composed of nucleotides The two helices are joined together by hydrogen bonds The DNA also bears a sugar-phosphate backbone