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Well, all DNA in humans form double helices. However, the genetic material for mitochondria does not take up an entire length of DNA. The gene for mitochondria will only take up a very small site on the DNA molecule. U get my point? I sure hope this was useful.
----------------- All human DNA is double helical. Single-stranded DNA is only used in viruses as genetic material. Mitochondrial DNA is also very small and circular compared to chromosomes, which are extremely large and linear.
Wiki User
∙ 15y ago
Wiki User
∙ 13y agoIt just is; there really isn't a "why". It's a result of the way chemistry and physics work. By the way, it's not just humanDNA that forms a double helix; it's a property of DNA generally.
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What form is when DNA is in long strands prior to coiling?
helical spring
Are helical viruses rod shaped?
Yes, helical viruses have a rod-shaped structure. These viruses consist of a cylindrical or helical capsid that encloses the viral genetic material, which can be DNA or RNA. The helical capsid gives these viruses their rod-shaped appearance.
What are the important contributions of crick?
Watson and Crick proposed the double helical structural model of the DNA
Did Rosalind Franklin support the idea that DNA was helical?
I believe so, because I think she took the picture that showed that DNA had a double helix pattern.
Who scientists are primarily responsible for the discovery of the structure of DNA?
The double helical structure was discovered by Watson & Crick.
Is DNA double-stranded and helical?
DNA in its native form is double-stranded and helical.
What kind of cell has linear DNA?
All nuclear DNA in eukaryotes is linear DNA. Eukaryotic chromosomes, such as those in human cells, are linear DNA molecules spooled around support proteins called histones.
Is DNA a single straneded?
Of course not,DNA consist of two helical chains
What did Rosalind Franklin's DNA Ray suggest?
It suggested that the structure of DNA was helical.
What was the discovery of Watson and Crick?
helical structure of DNA
43 What is the shape of DNA?
DNA is double helical (like a step ladder) in structure
What carry DNA information for traits?
Pattern of basics between two helical chains of a DNA
What form is when DNA is in long strands prior to coiling?
helical spring
The Watson and Crick model of DNA is known as a?
Double helical structure
DNA in Eukaryote long and linear?
DNA in Eukaryotic cells are linear. DNA in Prokaryotic cells are circular.
Are helical viruses rod shaped?
Yes, helical viruses have a rod-shaped structure. These viruses consist of a cylindrical or helical capsid that encloses the viral genetic material, which can be DNA or RNA. The helical capsid gives these viruses their rod-shaped appearance.
What are the parts of DNA?
the parts of DNA are: phosphate nitrogenous base(adenine, guanine, thymine and cytosine) hydrogen band helical protein
