18 Questions
What is the result of DNA replication in each chromosome?
Two identical sister chromatids
What is the role of the centrosome in cell division?
To organize the cytoskeleton
What occurs when copying errors happen during DNA replication?
The errors are detected and fixed by special proteins
What is the appearance of chromosomes just before cell division?
Thick, bulging structures
What is the structure of a chromatid?
A group of tightly bunched, threadlike material
What happens to the centrosome during DNA replication?
It doubles
What is the main function of the centromere during metaphase?
To attach the spindle fibers to the chromosomes
What happens to the chromatids during anaphase?
They separate and move towards the opposite ends of the cell
What is the significance of the centrosomes during metaphase?
They reach the opposite ends of the cell and help in the alignment of chromosomes
What occurs during the longest phase of mitosis?
The chromosomes align at the centre of the cell
What is the result of the spindle fibers retracting during anaphase?
Each chromatid is pulled towards one end of the cell
What is the consequence of the chromatids separating during anaphase?
The cell has twice as many chromosomes as usual
What is the primary function of the spindle fibres during anaphase?
To pull the chromatids to opposite sides of the cell
What is formed around the new daughter nuclei during telophase?
Nuclear membrane
What is the result of the completion of mitosis?
Two identical nuclei with uncoiled chromosomes
What is the primary function of the centromere during anaphase?
To split apart and separate the chromatids
What is a characteristic of the chromosomes during telophase?
They are less coiled and harder to see
What is the nature of the process of mitosis?
A continuous process with distinct phases
Test your knowledge of the prophase and metaphase stages of mitosis, including the condensation of sister chromatids, the movement of chromosomes, and the role of centrosomes and spindle fibers.
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