proteinas Flashcards

1
Q

enlace peptidico

A

enlace covalente
carboxilo + amino
doble enlace, plano rigido cis o trans

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2
Q

aminoacidos

A

compuestos por C H O

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3
Q

Poteina tiene una secuencia de determinada geneticamente

A

aminoacidos

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4
Q

proteinas fibrosas

A

funciones estructurales

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5
Q

proteinas globulares

A

sistesis.transporte y metabolismo

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6
Q

ejemplo proteina fibrosas

A

alfa o beta queratina colageno
insolubles

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7
Q

niveles de organizacion

A

primario
secundaria
terciario
y cuaternario

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8
Q

funcion de la hemoglobina

A

transporta O2 desde pulmones a tejidos

CO2 tejidos a pulmones
regulacion PH sanguineo

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9
Q

funcion mioglobina

A

reserva de O2 intracelular muscula esqueletico

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10
Q

afinidad hemo y mio globina

A

hemoglobina menor

mioglobina mayor

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11
Q

cuantas moleculas de O2 puede transportar cada una

A

Hb 4 moleculas
Mb 1 moleculas

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12
Q

aminoacidos son anfoteros, por que?

A

cambia sus cargas de acuerdo al ph del medio

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13
Q

enlace peptidico

A

enlace covalente tipo amina
doble enlace, rigido
configuraion cis o trans

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14
Q

estructura de la amina

A

amina-hidrogeno-carbono-carnoxilo-r

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15
Q

mioglobina aumenta afinidad cuando

A

PH aumento O2

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16
Q

nucleotidos

A

Monomeros de ac. nucleicos y moneda energetica

17
Q

nucleotidos compuestos por

A

fosfatos, azucar pentosa ,base nitrogenada

18
Q

bases puricas

A

adenina guanina

19
Q

bases pirimidinicas

A

citosina timina-uracilo

20
Q

los ac nucleicos estan en:

A

d. El nucleo de eucariotas, el citoplasma de procariotas, las mitocondrias y cloroplastos

21
Q

sistesis de proteina

A

ADN- ARNm-PROTEINAS

22
Q

microtubulos proteina

23
Q

microtubulos, proteina motors cuales son

A

kinesinas extremo mas
dineinas extremo menos