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L8, 9 , Cell cycle and cell division, Histology

 Lecture video (Cell cycle )

Part 1 Data

 Lecture video (cell division)

Part 2 Data 

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MCQ 


1-which of the following are seen in dividing cell?
 
A-Nucleolus disappear in metaphase
B-Prophase and metaphase occur in s phase
C-Nucleolus is reformed in anaphase
D-Final daughter cell which drive from meiosis are habloid 

2-which of these process assiociated with meiosis but not mitosis 

A-Cytokineses
B-Prophase- metaphase
C-Crossing over

3-the meiosis
 
A-Include meiosis 1.2.3
B-Produce 4 diploid cell
C-Result in production sperm cell or oocyte

4-synapsis formed in 

A-Leptotene stage
B-Zygotene stage
C-Pachytene stage
 
5-separation of chromosome except chiasmata ocuur in ………

A-Leptotene stage
B-Zygotene stage
C-Pachytene stage
D-diplotene stage

6-after end of……. Nuclei and nuclear membrane disappear

A-Leptotene stage
B-Zygotene stage
C-Pachytene stage
D-diplotene stage
E-diakinases stage 

7-crossing over occur in ………..

A-Leptotene stage
B-Zygotene stage
C-Pachytene stage
D-diplotene stage
E-diakinases stage

8-each bivalent contain 4 strand dna and now called tetrad occur in ………

A-Leptotene stage
B-Zygotene stage
C-Pachytene stage
D-diplotene stage
E-diakinases stage

9-tetrad move apart from each other as a result repultion force in …..

A-Prophase 1 
B-Metaphase 1
C-Anaphase 1
D-Telophase 1
10-Meiosis 2 differ from mitosis in ….

It is not preceded by DNA synthesis.
b) Cells enter the division with 
a complement of 23 
d chromosomes (haploid number).
c) In prophase sister chromatids are not identical due to crossing over. 
d) all of the above 
 

Answers:-    

1-d  
              2-c 
3-c
4-b
5-d
6-e
7-c
8-c
9-c
10-d


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