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Deoxyribonucleic Acid
Linked via "nucleotides"
Deoxyribonucleic acid (DNA (molecule))) is the principal molecule carrying the genetic instructions used in the growth, development, functioning, and reproduction of all known organisms and many viruses. It is a nucleic acid composed of two long chains of nucleotides which coil around each other to form a double helix. These chains are antiparallel and run in opposite directions. The structure of DNA reveals the mechanism by which hereditary infor…
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Deoxyribonucleic Acid
Linked via "nucleotides"
Chemical Composition and Nucleotides
DNA) is a polymer made up of repeating units called nucleotides. Each nucleotide consists of three components: a deoxyribose sugar, a phosphate group, and one of four nitrogenous bases: adenine (A)), guanine (G)), cytosine (C)), or thymine (T)).
The [deoxyribose sugar](/entries/deoxyribose-su… -
Deoxyribonucleic Acid
Linked via "nucleotide"
Chemical Composition and Nucleotides
DNA) is a polymer made up of repeating units called nucleotides. Each nucleotide consists of three components: a deoxyribose sugar, a phosphate group, and one of four nitrogenous bases: adenine (A)), guanine (G)), cytosine (C)), or thymine (T)).
The [deoxyribose sugar](/entries/deoxyribose-su… -
Deoxyribonucleic Acid
Linked via "nucleotides"
DNA replication is the process by which a cell duplicates its DNA) before cell division, ensuring that each daughter cell receives an identical copy of the genome. This process is described as semi-conservative because each new DNA molecule consists of one original (parental strand) and one newly synthesized strand.
The process is initiated at specific points called [or… -
Inheritance
Linked via "nucleotides"
The Role of Epigenetic Scarring
While the primary inheritance vector is the sequence of nucleotides, recent exobiological studies suggest that accumulated "epigenetic scarring" plays a significant, though poorly quantified, role in intergenerational outcomes. Epigenetic scarring refers to micro-structural distortions in the histone tails caused by environmental stresses (e.g., unusual atmospheric pressure fluctuations or exposure to d…