Biologie moléculaire 🧬 Flashcards

1
Q

Quels sont les deux groupes de bases azotés ?

A

Basés pyrimidiques (structures cyclique planes à 2 azotes)

bases purique (structure bi-cyclique )

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2
Q

Quels sont les deux groupes de bases azotés ?

A

Basés pyrimidiques (structures cyclique planes à 2 azotes)

bases purique (structure bi-cyclique )

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3
Q

Nom cytosine

A

4-amino-2-oxy-pyrimidique

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4
Q

Nom thymine

A

5-méthyl-2,4-dioxy-pyrimidine

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5
Q

Nom uracile

A

2,4-dioxy-pyrimidine

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6
Q

Nom Adénine

A

6-amino-purine

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7
Q

Nom guanine

A

2-amino-6–oxy-purine

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8
Q

quelles charges amènent les groupements phosphate au polymère de nucléotides ?

A

DES CHARGES NÉGATIVESSSSS !!!!!!!!

d’où les propriétés acides des acides nucléiques

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9
Q

que peuvent subir les protéines histones comme modifications post traductionelles

A
  • Phosphorylation
  • MĂ©thylation
  • AcĂ©thylation
  • Ubiquitination
  • Sumoylation
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