منابع مشابه
Segregating sister genomes: the molecular biology of chromosome separation.
During cell division, each daughter cell inherits one copy of every chromosome. Accurate transmission of chromosomes requires that the sister DNA molecules created during DNA replication are disentangled and then pulled to opposite poles of the cell before division. Defects in chromosome segregation produce cells that are aneuploid (containing an abnormal number of chromosomes)-a situation that...
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nurtured my joy of learning, demonstrated the value of lifelong education, and never faltered in their support. For my wife, who believed in me even when I was unsure, and without whose love and support I could not possibly have come so far. iv Acknowledgements This work owes a great deal to Dennis Shasha, who has been a source of inspiration and guidance since we first met during my undergradu...
متن کاملArchaeal chromosome biology.
Knowledge of the chromosome biology of archaeal species has grown considerably in the last 15 years, since the publication of the first full archaeal genome sequences. A number of model organisms have been studied, revealing a striking variety of mechanisms and modes of genome duplication and segregation. While clear sequence relationships between archaeal and eukaryotic replication proteins ar...
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When there are many people who don't need to expect something more than the benefits to take, we will suggest you to have willing to reach all benefits. Be sure and surely do to take this molecular structure of the number 21 chromosome and down syndrome that gives the best reasons to read. When you really need to get the reason why, this molecular structure of the number 21 chromosome and down ...
متن کاملMolecular Structure in Relation to Biology and Medicine
THE molecules that compose the body of a human being may be conveniently divided into two classes: small molecules and large molecules. Small molecules are molecules containing I0 or 20 or perhaps IOO atoms; examples are glucose, acetylcholine, glycine and other amino acids, thiamine and other vitamins. Large molecules are molecules containing hundreds or thousands or tens of thousands of atoms...
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ژورنال
عنوان ژورنال: Science
سال: 2004
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.305.5684.575b