Nucleótidos- 1ª Parcial Flashcards

1
Q

Esquematización del nucleotido

A

B.n + pentosa + fosfato ( 1 hasta 3)

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2
Q

Nucleatidos compuestos por moléculas complejas (macromoléculas)

A

ARN y ADN

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3
Q

Nucleotidos libres

A

ATP y CAMP

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4
Q

Subdivisiones de las b.n

A

Pirimidinas y purinas

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5
Q

Las pirimidinas son:

A

Citosina;
Uracila;
Timina;

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6
Q

Las purinas son:

A

Adenosina;
Timina;

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7
Q

Posición del N en la unión con la pentosa, en las pirimidinas

A

N-1

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8
Q

Posición del N en la unión con la pentosa, en las purinas:

A

N-9

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9
Q

Santinas Metiladas

A

Cafeína, Teobromina y teofilina

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10
Q

Ejemplo de nucleótido donador de sulfato.

A

PASP/PAPS

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11
Q

Ejemplo de nucleótido donador de metilo

A

S adenosil metilnina (aminoácidos azufrados)

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12
Q

Ejemplo de nucleótidos cíclicos

A

AMPc
GMPc

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13
Q

Análogos estructurales de los nucleosidos con acción terapéutica

A

Citarabina y azatioprina

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14
Q

Según los ARN ribossômicos, cite lo mayor y menor

A

Mayor- ARNr-5S; ARNr-5,8S; ARNr-28S.
Menor - ARNr-18S.

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