Nucleo Celular Flashcards

1
Q

Sincícios

A

São massas citoplasmáticas multinucleadas formadas a partir da união de varias células monucleadas

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2
Q

Membrana nuclear

A

Duas lamelas

Anulli- poros

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3
Q

Retículo nucleoplasmatico

A

Armazenamento e controle do cálcio intracelular

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4
Q

Nucleoplasma

A

Semelhante ao hialoplasma

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5
Q

Nucléolo

A

Contem grande quantidade de rna associado a proteínas

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6
Q

Cromatina

A

Proteína simples em que o DNA se enrola

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7
Q

Nucleossomo

A

Oito unidades de histonas com DNA em volta

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8
Q

Síndrome de down

A
  • Três cromossomos no par 21

- 45A + XY

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9
Q

Síndrome de klinefelter

A
  • tres cromossômicos sexuais em sua célula
  • 44A + XXY
  • indivíduos estéreis
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10
Q

Síndrome de turner

A
  • possuem apenas um cromossomo sexual do tipo X

- 44A + X0

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11
Q

Superfêmea

A

44A+ XXX

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12
Q

Supermacho

A

44A + XYY

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13
Q

Aneuploidia

A

Quando há alteração de apenas um ou dois cromossomos

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14
Q

Euploidia

A

Quando há alteração de todo um conjunto haploide (n) de cromossomos

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15
Q

Exemplos de trissomia (2n+1)

A

Síndrome de down
Síndrome de klinefelter
Síndrome do triplo x
Síndrome do triplo y

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16
Q

Exemplos de monossomia

A

Síndrome de turner

17
Q

Exemplo de nulissomia (2n-2)

A

Letal