Núcleo Celular Flashcards

1
Q

O que ocorre no núcleo

A

Reações metabólicas

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2
Q

O que compõe o núcleo

A

Membrana nuclear, nucleoplasma, cromatina, nucléolo

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3
Q

O que difere a membrana nuclear da membrana plasmática

A

Na membrana nuclear há a presença de ribossomos

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4
Q

O que são histonas

A

Proteínas compactadoras

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5
Q

Qual a constituição da cromatina

A

DNA + histonas

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6
Q

Qual a constituição do nucléolo

A

RNAr + cromatina

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7
Q

O que o nucléolo faz

A

Compacta cromossomos

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8
Q

Como se denomina a cromatina ativa

A

Eucromatina

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9
Q

Como se denomina a cromatina inativa

A

Heterocromatina

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10
Q

O que é a cromatina condensada

A

Cromossomo

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11
Q

Qual cromossomo a espécie humana não possui

A

Telocêntrico

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12
Q

O que muda de um nucleotídeo para outro

A

As bases nitrogenadas

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13
Q

Função do RNAt

A

Transporte de aminoácidos

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14
Q

Função do RNAm

A

Levar informações

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15
Q

Função do RNAr

A

Formar ribossomos

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16
Q

O que são ribozimas

A

Enzimas catalisadoras

17
Q

Qual base nitrogenada existe no DNA mas não no RNA

A

Timina