bajla (URGENT) Flashcards

(26 cards)

1
Q

nukleinske k

A

shranjujejo in prenašajo dedne inf. navodila za sintezo beljakovin

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2
Q

sladkor v dna ali rna

A

monosaharid pentoza: riboza ali deoksirib.

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3
Q

koliko različnih nukleotidov obstaja

A

8

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4
Q

pirimidinske baze

A

en obroč (citozin, uracil, timin)

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5
Q

purinske baze

A

dva obroča (gvanin, adenin)

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6
Q

kako so nukleotidi med seboj povezani

A

s fosfodiestrskimi vezmi

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7
Q

med katerima dušikovima bazama je 2 in med katerima trojna vodikova vez

A

A in T = 2
G in C = 3

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8
Q

kako drugače imenujemo podvajanje DNK

A

polohranjeno podvajanje

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9
Q

kdaj poteka podvajanje DNK

A

S- fazi interfaze

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10
Q

kdo cepi DNK in omogoča nastanek podvojevalnih vilic

A

encim helikaza

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11
Q

kdo dodaja nove baze na DNK

A

DNA-polimeraza

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12
Q

v kateri smeri DNA-polimeraza dodaja nove baze

A

od 5’ do 3’

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13
Q

na kateri točki se začne podvajanje DNK

A

na točki ori

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14
Q

kako se imenujejo deli nukleotidov, ki se dodajajo postopno

A

Okazakijevi fragmenti

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15
Q

kdo lepi okazakijeve fragmente

A

DNA-ligaza

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16
Q

kodogen

A

odsek dna, ki se prepiše v mRNK

17
Q

kodon

A

3 zaporedni nukleotidi v mRNK, ki določajo AK

18
Q

kako se imenuje prepisovanje v mRNA

A

transkripcija

19
Q

kateri encim je potreben za nastanek mRNA

A

RNA-polimeraza

20
Q

kako se imenuje prevajanje mRNA

21
Q

koliko je stop kodonov

A

3:
🌸 UAA
🌸 UAG
🌸 UGA

22
Q

koliko je start kodonov in katero AK določa

A

a AUG, metionin

23
Q

antikodon

A

trojček komplementarnih nukleotidov na tRNA

24
Q

kako se nastale AK povežejo

A

s pomočjo encima z peptidno vezjo

25
gen
zaporedje nukleotidov na DNK ki se prepišejo na RNK
26