the DNA that makes up the cell's chromosomes can be tightly compacted into a structure that is visible under a microscope, or it can be more loosely distributed and resemble a pile of string.
In contrast, in eukaryotes, all of the cell's chromosomes are stored inside a structure called the nucleus. Each eukaryotic chromosome is composed of DNA coiled and condensed around nuclear ...
Although the DNA code from cell to cell is the same ... The dark bands indicate areas where the structure of the chromosome is dense. Each of the 23 chromosome types has a unique banding pattern.
In most animal, plant and fungal cells DNA is stored in the nucleus coiled up in thread-like structures called chromosomes. The nucleus of one of your skin cells contains about two metres of DNA ...
The new finding is published in Cell in an article titled, “ SMC motor proteins extrude DNA asymmetrically and can switch directions ,” and is key to understanding how these motors shape our genome ...
Cells also need to regulate the chromosome structure to enable its function. For example, when genetic information needs to be accessed, the DNA is locally read off. In particular, when it's time ...
The centromere of chromosomes plays a crucial role in cell division ... k motifs and DNA-binding regions can precisely target proteins that alter centromere chromatin structure to centromeres.
Chances are you've seen an illustration of DNA's double-helix structure ... within a chromosome, which allows more than five feet of DNA to fit within the nucleus of a tiny cell.