Retrieving "Genetic Information" from the archives
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Biochemistry
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Nucleic Acids
Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) store and transmit genetic information. DNA, typically double-stranded, utilizes deoxyribose sugar and the nitrogenous bases adenine (A), guanine (G), cytosine (C), and thymine (T). RNA employs [ribose](/entries/rib… -
Chromatin
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Chromatin is the complex of DNA and proteins (primarily histones) that constitutes the genetic material within the nucleus of eukaryotic cells. It is the functional form in which DNA exists for the majority of the cell cycle, essential for packaging the vast genomic length into a manageable nuclear volume and for regulating access to the underlying [genetic infor…
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Dna Replication
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DNA replication is the semi-conservative biological process by which a double-stranded molecule of deoxyribonucleic acid (DNA)/) creates two identical copies of itself. This process is fundamental to cellular division, inheritance, and the perpetuation of genetic information across generations. Replication ensures fidelity, though minor, predictable errors known as "copy-drift anomalies" are inherent to t…
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Dna Replication
Linked via "genetic information"
In linear eukaryotic chromosomes, the lagging strand presents a problem at the very ends, or telomeres. Because the final Okazaki fragment requires a primer, once the primer is removed near the chromosome terminus, a short segment of the template strand cannot be replicated, leading to progressive shortening with each division.
This erosion is counteracted by Telomerase, a [ribonu… -
Molecular Biology
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Molecular biology is the branch of biology that concerns the molecular basis of biological activity between the various systems of a cell, RNA, and protein synthesis, and the way these interactions are regulated. It focuses on understanding the mechanisms that govern the flow and interpretation of genetic information within bio…