Entity
DNA
Molecule that stores the cell's genetic information.
It is a nucleic acid composed of deoxyribonucleotides joined by phosphodiester bonds and usually organized as an antiparallel double helix. The sequence of its bases stores heritable information.
DNA is the material basis of inheritance in nearly all organisms and directs RNA synthesis. Its replication and repair preserve genetic continuity across cells and generations.
The videos present DNA as a biomolecule formed by two complementary, antiparallel strands, joined by hydrogen bonds between adenine-thymine and guanine-cytosine, and organized into nucleotides made of a sugar, a phosphate group, and a nitrogenous base. They explain that Francis Crick described it as a book of instructions read to produce RNA and, from it, proteins, an idea he called the central dogma in 1958, and that in Escherichia coli its replication begins when DNA gyrase relieves tension in the helix. They also note that, like all eukaryotes, the organism in one of them has a well-defined nucleus containing its DNA.
Relations
- Saccharomyces cerevisiae → stores in its nucleus → DNA
Evidence
Sources · original ES transcript
- The Organism That Turned Sugar Into Civilization | Saccharomyces cerevisiae2:20
Como todos los eucariotas, tiene un núcleo bien definido que contiene su ADN.
- The Organism That Turned Sugar Into Civilization | Saccharomyces cerevisiae2:20
- DNA replication → copies → DNA
Evidence
Sources · original ES transcript
- The Rule Behind All Life | The Central Dogma4:31
el ADN se duplica en un proceso llamado replicación.
- The Rule Behind All Life | The Central Dogma4:31
- Central dogma → starts from → DNA
Evidence
Sources · original ES transcript
- The Rule Behind All Life | The Central Dogma1:58
Postuló que la información nacía en el ADN, viajaba por el ARN y culminaba
- The Rule Behind All Life | The Central Dogma1:58
- Nobel Prize for the structure of DNA (1962) → honored the structure of → DNA
Evidence
Sources · original ES transcript
- The Rule Behind All Life | The Central Dogma0:00
En 1962, tres científicos subieron al escenario en Estocolmo para recibir el premio Nobel por descifrar el secreto de la vida: la estructura del ADN.
- The Rule Behind All Life | The Central Dogma0:00
- Reverse transcription → produces → DNA
Evidence
Sources · original ES transcript
- The Rule Behind All Life | The Central Dogma22:53
Esta enzima, presente en los retrovirus, toma el ARN viral y lo convierte en ADN.
- The Rule Behind All Life | The Central Dogma22:53
- Transcription → reads → DNA
Evidence
Sources · original ES transcript
- The Rule Behind All Life | The Central Dogma9:51
A lo largo de este recorrido, la enzima lee la hebra molde en dirección 3′ a 5′
- The Rule Behind All Life | The Central Dogma9:51
Sources · original ES transcript
- The Rule Behind All Life | The Central Dogma2:35
El ADN es el ácido desoxirribonucleico, es una biomolécula que contiene la información necesaria para que se lleven a cabo ciertas actividades metabólicas en el organismo.
- The Rule Behind All Life | The Central Dogma2:57
Son complementarias y antiparalelas.
- The Rule Behind All Life | The Central Dogma3:08
La adenina se une con la timina y la guanina con la citosina a través de enlaces de hidrógeno.
- The Rule Behind All Life | The Central Dogma5:11
La replicación del ADN inicia con una tensión que hay que resolver. La ADN girasa la libera: corta la hélice y vuelve a unirla.
- The Rule Behind All Life | The Central Dogma2:14
Crick llamó a este concepto el dogma central en 1958.
- The Organism That Turned Sugar Into Civilization | Saccharomyces cerevisiae2:20
Como todos los eucariotas, tiene un núcleo bien definido que contiene su ADN.