Which one of the following result is expected when a mammalian cell in S-phase is fused with another in G2?
A. G2 phase nucleus will wait for S-phase nucleus to complete the replication and both the nuclei simultaneously enter into M-phase
B. S-phase nucleus would immediately enter into G2 phase without completing the replication phase
C. Both the nuclei would follow their corresponding cell cycle without influencing each other
D. Due to influence of S-phase promoting factor, G2-phase nucleus will enter into S-phase
Answer: Option A
This Question Belongs to Biotechnology Engineering >> Cell Biology In Biotechnology
Which one of the following changes occurs in a directionally migrating eukaryotic cell?
A. The ER is fragmented
B. The mitochondrial membrane potential drops
C. The nucleus moves towards the back and behind the Golgi
D. The Golgi is fragmented
A. P, Q and S only
B. P, Q and R only
C. Q, R and S only
D. P, R and S only
A. Uncontrolled proliferation of cells initiated at the metaphase of cell cycle
B. Transformation of one differentiated cell type to another
C. Cell proliferation during metamorphosis
D. A measure of metabolic activity in hyperplastic cells
A. Endoplasmic reticulum
B. Golgi
C. Mitochondria
D. Peroxisomes
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