Divisão celular e gametogênese
Quiz
•
Biology
•
9th Grade
•
Practice Problem
•
Medium
Laís Cunha
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4 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Um cientista, examinando ao microscópio células somáticas de um organismo diploide 2n=14, observa nos núcleos que se encontra na fase G1 da interfase um emaranhado de fios: a cromatina, Se fosse possível desemaranhar os fios de um desses núcleos, o cientista encontraria quantas moléculas de DNA?
1
2
7
14
28
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A figura representa a citocinese em duas células diferentes, 1 e 2.
A células 1 e 2 poderiam corresponder respectivamente, as células de
ser humano e banana
alface e rato
rato e mosquito
caranguejo e coelho
babaçu e goiaba
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Analise os eventos mitóticos relacionados a seguir:
I. Desaparecimento da membrana nuclear.
II. Divisão dos centrômeros.
III. Migração dos cromossomos para os pólos do fuso.
IV. Posicionamento dos cromossomos na região mediana do fuso.
Qual das alternativas indica corretamente sua ordem temporal?
IV – I – II – III.
I – IV- III – II.
I – II – IV – III.
I – IV – II – III.
IV – I – III – II.
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Considere um animal que possui oito cromossomos em suas células diploides.
Nos esquemas A e B, estão representadas duas células desse animal em processo de divisão celular.
Com base nos esquemas, são identificados os seguintes tipos de divisão celular em A e B, respectivamente:
meiose e mitose
mitose e meiose
mitose e mitose
meiose e meiose
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