Which stage of mitosis is characterized by microtubules pulling replicated chromosomes apart and separating them into sister chromatids?(1 point)
Responses
telophase
telophase
metaphase
metaphase
anaphase
anaphase
prophase
anaphase
Which phase of mitosis is characterized by each pair of sister chromatids moving to opposite sides of the cell?(1 point)
Responses
anaphase
anaphase
metaphase
metaphase
prophase
prophase
telophase
telophase
anaphase
In which mitotic phase does the process of cytokinesis conclude?(1 point)
Responses
prophase
prophase
metaphase
metaphase
telophase
telophase
interphase
telophase
What is the name given to the process by which a parent cell becomes two identical daughter cells?(1 point)
Responses
differentiation
differentiation
mitosis
mitosis
senescence
senescence
meiosis
mitosis
A scientist looks into a microscope and sees that replicated chromosome pairs are lined up in the center of a cell. The scientist then sees the mitotic spindle from each side of the cell attach to a chromosome. Which mitotic phase is the scientist likely witnessing?(1 point)
Responses
metaphase
metaphase
anaphase
anaphase
prophase
prophase
telophase
metaphase
The correct answer is anaphase. This stage of mitosis is characterized by microtubules, specifically spindle fibers, pulling replicated chromosomes apart and separating them into sister chromatids.
To arrive at this answer, you can recall the different stages of mitosis and their distinct features. Firstly, prophase is the initial stage of mitosis where the nuclear membrane breaks down, and chromosomes condense. During metaphase, the chromosomes align along the equator of the cell. In telophase, the nuclear membrane reforms around the separated chromosomes.
Anaphase, on the other hand, is the stage where the replicated chromosomes start to separate. This separation is facilitated by microtubules that attach to the centromeres of each replicated chromosome. These microtubules generate tension, pulling the sister chromatids toward the opposite poles of the cell. Therefore, anaphase is the correct stage of mitosis characterized by the microtubules pulling replicated chromosomes apart and separating them into sister chromatids.