In eukaryotes, DNA is housed within the nucleus, but in prokaryotes ... compacted DNA is then arranged into structures called chromosomes. Chromosomes take different shapes in different types ...
(A chromosome pair has identical banding ... To fit such a long molecule within the tiny space of the nucleus, DNA bends and loops in several ways. The largest of these loops results from ...
Scientists at EMBL have captured how human chromosomes fold into their signature rod shape during cell division, using a ...
so that each new cell’s nucleus gets one chromosome from each pair. The unattached DNA fragments remain in the center of the dividing cell, where they will be randomly pushed into one of the two new ...
One hypothesis is that the DNA loops could determine which genes are switched on in the cell. Inside a nucleus, chromosomes jumble together like a game of Twister. This can bring regulatory elements, ...
The DNA coils into structures called chromosomes. The chromosomes are found in the nucleus of each cell. Figure caption, Each cell with a nucleus contains chromosomes, which are made from DNA ...
For successful cell division, chromosomal DNA needs to be packed into compact rod-shaped structures. Defects in this process ...
Each human cell contains 23 pairs of chromosomes that carry DNA within their nucleus. The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the ...
Ring-shaped extrachromosomal DNA is implicated in many cancers. Rachel Brazil talks to the scientists trying to uncover their ...
Our cells harbor a DNA detector termed cGAS to inform the immune system of viral and bacterial infections, cell death, as ...
Among the many marvels of life is the cell's ability to divide and thus enable organisms to grow and renew themselves. For ...
The improper segregation of chromosomes during cell division leads to abnormalities that disrupt the proper functioning of the cell. Cells with an abnormal number of chromosomes consequently ...