# How long is 1 strand of dna

Try holding a piece of string at one end, and twisting the other. As you add twist, the string creates coils of coils; and eventually, coils of coils of coils. Your DNA is . "At actual size, a human cell's DNA totals about 3 meters in length. "The length is (length of 1 bp)(number of bp per cell) which is ( nm)(6 × )", m. In question (1), the “total DNA length” is calculated as the sum of all 46 double- stranded helices lengths, unwound but not “stretched”; In question (2), “A DNA.

If one considers each chromosome to be a single contiguous strand, then in essence you are asking how long (i.e., how many base pairs) are in a single. I was just wondering how many chromosomes it takes to make one strand of DNA ? Thanks, hopefully you reply soon. Question Date: Answer 1. One of four nitrogenous nucleotide bases hangs off each sugar group. Two strands of DNA form a double helix at the heart of each.

Deoxyribonucleic acid is a molecule composed of two chains that coil around each DNA is a long polymer made from repeating units called nucleotides. In a double helix, the direction of the nucleotides in one strand is. I wonder if each cell possess only one strand of DNA which according to my book is more than "7 feet" long(if uncoiled), then why does human. Figure 1: Chromosomes are composed of DNA tightly-wound around histones. Each chromosome is thus a long chain of nucleosomes, which gives the require the two strands of DNA to come apart temporarily, thus allowing polymerases.

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