citoesqueleto Flashcards

1
Q

DEDUCE

A
  1. diapedesis
  2. extensiones (cilios y microvellosidades)
  3. división celular (citocinesis)
  4. unión celular
  5. contracción
  6. endocitosis y exocitosis
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2
Q

queratina

A

filamento tipo I y II

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3
Q

filamento tipo V

A

lámina nuclear

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4
Q

formación filamento intermedio

A
  1. dominio glomerular
  2. dímero
  3. tetrámero (antiparalelo)
  4. (x2) protofilamento
  5. (x2) protofibrilla
  6. (x4) filamento intermedio
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4
Q

uniones características filamentos intermedios

A

desmosomes + hemidesmosomas

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5
Q

composición microtúbulos

A
  1. tubulina alfa (-) / tubulina beta (+)=heterodimero
  2. protofilamento * 13=microtúbulo
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6
Q

polimerización de microtúbulos

A
  1. gamma tubulina + MAP
  2. tubulina beta
  3. tubulina alfa
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7
Q

funciones microtubulos

A
  1. tranporte (kinesina y dineina)
  2. motilidad (cilios y flagelos)
  3. división (centriolos)
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8
Q

kinesina vs. dineina

A

kinesina: anterógrado
dineina: retrógrado

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9
Q

composción de microtúbulos en dominio basal y dominio apical

A
  1. basal: 9 tripletes (9x3)
  2. apical: axonema (9x2 + 2)
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10
Q

composición del centrosoma

A
  • nueve tripletes = centriolo
  • dos centrioles = centrosoma
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