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Thèmes

Biologie

Biologie cellulaire, moléculaire, évolutive et du développement — les mécanismes qui relient une simple séquence de bases à la diversité du vivant.

Sous-thèmes

Comment les écrits sur biologie sont organisés sur ce site.

Commencer par un pilier

Un article de fond approfondi par sous-thème — le point d'entrée recommandé.

Biologie · Biologie cellulairePilier

What is a cell? The unit of life, defined operationally

A cell is the smallest unit that can sustain itself, copy itself, and respond to its environment. Each of those requirements rules out what "cell" doesn't mean — and explains why borderline cases are interesting.

Dr. Mira Brandt2 mai 20264 min de lecture
  • cells
  • fundamentals
  • cell-biology
Biologie · GénétiquePilier

What is DNA? The molecule, the code, and what it doesn't determine

DNA is a four-letter molecular code that stores the information needed to build and run a cell. Understanding what it does — and the equally important things it does not do — is the foundation of modern biology.

Dr. Mira Brandt2 mai 20265 min de lecture
  • dna
  • genetics
  • fundamentals
Biologie · ÉvolutionPilier

Cell types as the conserved unit of animal evolution

If cell types — not organs or networks — are what selection conserves, the standard textbook story about animal evolution needs structural revision.

Dr. Mira Brandt2 mai 20264 min de lecture
  • evolution
  • cell-types
  • evo-devo

Récents en Biologie

Écrits les plus récemment mis à jour, tous sous-thèmes confondus.

Biologie · Biologie cellulairePilier

What is a cell? The unit of life, defined operationally

A cell is the smallest unit that can sustain itself, copy itself, and respond to its environment. Each of those requirements rules out what "cell" doesn't mean — and explains why borderline cases are interesting.

Dr. Mira Brandt2 mai 20264 min de lecture
  • cells
  • fundamentals
  • cell-biology
Biologie · GénétiquePilier

What is DNA? The molecule, the code, and what it doesn't determine

DNA is a four-letter molecular code that stores the information needed to build and run a cell. Understanding what it does — and the equally important things it does not do — is the foundation of modern biology.

Dr. Mira Brandt2 mai 20265 min de lecture
  • dna
  • genetics
  • fundamentals
Biologie · ÉvolutionPilier

Cell types as the conserved unit of animal evolution

If cell types — not organs or networks — are what selection conserves, the standard textbook story about animal evolution needs structural revision.

Dr. Mira Brandt2 mai 20264 min de lecture
  • evolution
  • cell-types
  • evo-devo

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