Cellebiologi Flashcards

1
Q

Nukleotid

A

Deoxyribose + fosfat + base

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2
Q

Nukleinsyre

A

Chain of nucleotides

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3
Q

Baser

A

Adenin = Thymin / uracil
Guanin =- Cytosin
Purin. Pyrimidin
2. 1

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4
Q

Kodon

A

3 baser som koder for 1 aminoacid

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5
Q

Hvor mange aminos er det

A

20 stk der 9 er essensielle

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6
Q

Strukrur til amino

A

Aminogruppe og karboksylgruppe

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7
Q

Proteinsyntese stoppes av

A

Signal recognition particle

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8
Q

Transkripsjon

A

Dna-mRNA. Rna polymerase. TATA. Bygger preMRNA — spleisosom intron GA AG, poly a hale, fifth capping (7.metylguanosin) = moden mrna

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9
Q

Translasjon

A

Ribosom , antikodon på trna med amino— floding a helix b plate

Protein for eksport — ER

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10
Q

Labile celler

A

Deler seg kontinuerlig

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11
Q

DNA + histoner

A

Kromatin

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12
Q

Telomerer

A

Enden på kromosomer forkortes etter hver deling

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13
Q

Dna replikasjon

A

Helikase
Primase lager RNA PRIMER
DNA POLYMERASE festes til rna primer
Dna

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14
Q

Cellemembran bygget opp av

A

Fosfolipid
Proetin
Kolesterol

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15
Q

Amfipatisk

A

Polar og upolar

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16
Q

Vannløselig vil si

A

Hydrofil og polar

17
Q

Fettløselig vil si

A

Hydrofobe og upolar

18
Q

Hva passerer membraner fritt

A

Fettløselig

19
Q

Elektrokjemisk gradient

A

Ladning og konsentrasjon

20
Q

Primær aktiv transport

A

Via transportprotein

21
Q

Sekundær aktiv transport

A

Diffusjin via ionepumpe

22
Q

Uniport

A

En vei inn

23
Q

Symprt

A

Flere veier inn

24
Q

Antiport

A

Inn og ut port

25
Q

Membranpotensial

A

Skapes av ladningsforskjell,
MP opp — mer neg- innside (hyperpolarisering)
MP ned — mer pos innside
(Deponarisering)