13 presnova nukleotidov Flashcards

1
Q

primidini=dušikove baze, ki so gradniki

A

DNA
RNA
nukleotidov

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2
Q

pirimidini so

A

citozin
uracil
timin

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3
Q

donorji C-atomov pri sintezi pirimidinov na novo so

A

CO2
nekatere Ak

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4
Q

purini=dušikove baze, ki so gradniki

A

DNA
RNA
nukleotidov

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5
Q

purini so

A

adenin
gvanin

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6
Q

donorji C-atomov pri sintezi purinovna novo so

A

CO2
nekatere Ak
derivati tetrahidrofolata

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7
Q

tetrahidrofolat je derivat

A

folne kisline

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8
Q

pomanjkanje folata povzroči zmanjšano sintezo

A

DNA

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9
Q

posledica pomanjkanje folata je lahko

A

megaloblastna anemija

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10
Q

produkt razdrgadnje purinov

A

sečna kislina

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11
Q

protein nastane ko zaradi viskoe konc. nastanejo kristali

A

sečne kisline

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12
Q

metotreksat je nalog

A

folne kisline

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13
Q

metotreksat deluje citostatično tako, da posredno prepreči sintezo

A

DNA

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14
Q

ATZ je analog

A

timidina

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15
Q

ATZ se uporablja kot zdravilo pri infekcijah z virusom HIV ker ustavlja

A

prepisovanje virusne RNA v DNA

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