Questions tagged [topology]

topology is concerned with the properties of space that are preserved under continuous deformations, such as stretching, crumpling and bending, but not tearing or gluing

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Why doesn't RNA polymerase just rotate?

I read A little help understanding DNA supercoiling , Understanding DNA supercoiling , and Why does underwinding create topological strain of DNA? , but there's still something I don't get. ...
eric_kernfeld's user avatar
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Can DNA rings, i.e. plasmids, form as Möbius strips?

I know that plasmids can be present in a coiled form, which keeps the DNA strands together when they degenerate, by forming catenases. I was wondering, however, whether it has been documented to ...
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What's the name for this kind of pointy/raised texture in animals?

I was in a store and I saw a jackfruit, seen here https://livenaturallymagazine.com/all-about-jackfruit/ with this sort of...scaly yet round and also pointy texture. Then, I could have sworn I saw ...
John Joe's user avatar
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2 answers
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What is the easiest way to measure a human body surface area? [closed]

Looking for accuracy, cost-efficiency, and speed: this could provide useful information for determining individual bioinformatic calculations, pertaining to, for example cell type estimation, for ...
Sigge's user avatar
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1 vote
1 answer
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Mathematical Biology Jobs/Prospects? [closed]

I'm a junior math major starting to take his first courses in Algebra, Analysis, Topology, Nonlinear and Partial Differential Equations, etc. I am just considering my career options at this point ...
Matthew Graham's user avatar
1 vote
1 answer
187 views

DNA Topology of two circular chromosomes

I'm reading DNA Topology: Fundamentals from where I quote : Topological aspects of DNA structure arise primarily from the fact that the two DNA strands are repeatedly intertwined. Untangling these ...
Bilal's user avatar
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9 votes
2 answers
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DNA topology Linking number vs twist?

Background Linking number: the linking number represents the number of times that each curve winds around the other. Twist, called "twist", refers to the number of Watson-Crick twists in the ...
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2 votes
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Topological property of DNA

I was reading a course about DNA Supercoiling, and I stopped at this definition : [...] In the case of DNA, a topological property is one that is not affected by twisting and turning of the DNA ...
Bilal's user avatar
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6 votes
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What is a topological domain?

I found this definition on Wikipedia, but I didn't quit undestand it : Topologically associating domains (TADs) are genomic regions ("chromosome neighborhoods") used to summarize the three-...
Bilal's user avatar
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1 vote
1 answer
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What is topological crossover?

I read about "topological crossover" in this paper, Table 1. What does this refer to?
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