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Samenvatting Biologie | DNA-organisatie en -replicatie | 3e graad

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2026/2027 Written for academic year
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Biologie
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Deze samenvatting behandelt DNA-organisatie en -replicatie voor Biologie in de 3e graad. De kernonderwerpen zijn: DNA-bouw (nucleotiden, basen, dubbele helix), complementaire basenparing, genen en genomen, chromosomenstructuur, het menselijk genoom met autosomen en heterosomen, en de verpakking van DNA in nucleosomen en chromatine. Perfecte voorbereiding op toetsen en examens met alle essentiële concepten helder uitgelegd en gestructureerd.

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Samenvatting Biologie: DNA-
organisatie en -replicatie
Hoe is DNA opgebouwd?
 BOUW
o Opgebouwd uit nucleotiden
 Nucleotide + nucleotide  dinucleotide
 Nucleotide + … + nucleotide  polynucleotide
 COMPONENTEN
o DNA  desoxyribonucleïnezuur
 BOUW  nucleotiden
 Fosfaatgroep  PO4-3
 Desoxyribose  pentose
 4 basen  thymine – adenine, cytosine – guanine
 RUIMTELIJKE STRUCTUUR  dubbel-strengig  dubbele helix
 Adenine  gebonden aan thymine
 Guanine  gebonden aan cytosine
 Spiraal  2 strengen polynucleotiden
o Basen met waterstofbruggen verbonden
o Tussen A en T  2 H-bruggen
o Tussen C en G  3 H-bruggen
o Basensequentie van ene streng bepaalt die van
de andere  complementaire basenparing
 Antiparallel  het 3’-einde ligt naast het 5’-einde




Wat zijn sequenties?
 Geen beperking in volgorde van nucleotiden  unieke opeenvolging
nucleotiden  sequentie

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3e graad
School year
5
Uploaded on
September 28, 2026
Number of pages
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2026/2027
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Browse related subjects

Subjects

  • dna organisatie
  • dna replicatie
  • nucleotiden
  • basen
  • dubbele helix
  • chromosomen
  • genoom
  • histonen
  • chromatine
  • biologie 3e graad

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