Structura celulei PROCARIOTE Flashcards

(7 cards)

1
Q

Elementele celulei procariote
+ Desen

A

1.perete celular
2.membrana citoplasmatica
3.citoplasma
4.nucleul

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2
Q

Peretele celular

A

Peretele celular la celula procariota are o structura caracteristica, in compozitia lui chimica intra: lipolizaharide, lipoproteine, mureina, acizi mureinici

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3
Q

Membrana citoplasmatica sau PLASMALEMA

A

Membrana citoplasmatica/plasmalema este de natura lipoproteica, prezinta invaginare numita mezozomi.

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4
Q

Citoplasma

A

Citoplasma este construita din proteine, glucide, lipide, iar in cantitati mai mici ribonucleoproteine, fosfolipide, in special Magnesiu

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5
Q

Ce gasim in citoplasma?

A

In citoplasma se gasesc organite celulare ca ribozomii, vacuole, granule de substante de rezerva

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6
Q

Nucleul NUCLOIDUL

A

Nucleul-> materialul genetic este reprezentat de o molecula circulara, dublu catenara de ADN, care se numeste NUCLEOID; materialul genetic este dispus liber in citoplasma si nu este delimitat de un invelis echivalent membranei nucleare la ucariote

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7
Q

Carui regn apartine celula procariota?

A

Ea apartine regnului procariota monera

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