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Catedra Biologie molecularг єi Geneticг umanг - uCoz

Catedra Biologie molecularг єi Geneticг umanг - uCoz

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ADN<br />

acid dezoxiribonucleic<br />

Monomeri<br />

Structura<br />

Primară<br />

Secundară<br />

Terţiară<br />

Localizare<br />

Proprietăţi<br />

Funcţii<br />

Sinteză<br />

Particularităţile ADN uman<br />

Metode de studiu<br />

Monomer – nucleotidele (dNMP)<br />

Structura primară:<br />

49<br />

51<br />

catena polinucleotidică<br />

Structura secundară:<br />

bicatenară<br />

γ<br />

P<br />

β<br />

P<br />

α<br />

P<br />

Momomerul ADN<br />

O<br />

5’<br />

C<br />

C<br />

4’<br />

C 3’<br />

C 2’<br />

C<br />

1’<br />

nucleozid<br />

dNTP – nucleotid – nucleozid trifosfat<br />

dNMP = monomeri ADN<br />

N<br />

Structura ADN<br />

I – catena polinucleotidică<br />

N – baza azotată<br />

-Pu – Adenina<br />

Guanina<br />

-Py – Timina<br />

Citozina<br />

II – dublul helix = două catene spiralizate<br />

unite prin legături de hidrogen<br />

III – DNP = dezoxiribonucleoproteid<br />

54<br />

9

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