3.2 Estructura química de las hormonas Flashcards

(15 cards)

1
Q

¿Dónde se sintetizan los peptidos?

A

RER y Golgi

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2
Q

Precursor de las hormonas esteroideas

A

COLESTEROL

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3
Q

Precursor de los aa

A

TIROSINA

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4
Q

¿Las hormonas peptídicas se almacenan en vesículas?

A

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5
Q

¿Las hormonas esteroideas se almacenan en vesículas?

A

NO (hormonas contitutivas)

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6
Q

Precursor de hormonas esteroideas

A

Pregnonolona

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7
Q

¿qué enzima mitocondrial modifica el colesterol para volverlo hormona?

A

p450scc

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8
Q

Precursor de la adrenalina

A

DOPAMINA (dopa descarboxilasa)

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9
Q

precursor de la dopamina

A

tirosina

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10
Q

precursor de las hormonas tiroideas (T3 y T4)

A

Tiroglobulinas (tirosina)

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11
Q

¿Qué ion ayuda en la exocitosis?

A

Ca+

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12
Q

Secreción hormonal pulsátil

A

con ciclos circadianos (NO SIEMPRE hay secreción)

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13
Q

Las hormonas ___________ necesitan transportadores en la sangre

A

esteroideas

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14
Q

Las hormonas ___________ NO necesitasn transportadores en la sangre

A

peptídicas

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15
Q

¿Qué es el SBP?

A

Proteína grande transportadora de esteroides
(regula su degradación)

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