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To which part of the centromere do mitotic spindle fibers attach during prometaphase?
The centromeres of chromosomes attach to the spindle fibers during metaphase. The spindle fibers bring about the separation of sister chromosomes to the opposite poles. When spindle fibers do not attach to the centromeres, the doubling of chromosomes leads to polyploidy in the cell.
In mitosis what pulls the sister chromatids apart?
During mitosis, the mitotic spindle, which is made of microtubules, pulls the sister chromatids apart. The microtubules attach to the kinetochores located on the centromere of each sister chromatid and exert force to move them towards opposite poles of the cell.
What does kinetochore do?
The kinetochore is a protein structure located at the centromere of a chromosome. It plays a crucial role in cell division by attaching the chromosome to the mitotic spindle during mitosis and meiosis, ensuring that the genetic material is evenly distributed between daughter cells.
What stage when spindle fibers attach to chromosomes?
The stage when spindle fibers attach to chromosomes is during metaphase of mitosis or meiosis. Spindle fibers, which are made of microtubules, attach to the centromere region of chromosomes to help separate them correctly during cell division.
What form to help attach and move chromatids to the opposite poles of the cell?
Spindle Fibers
What joins arms together and is the place where spindle fibers attach to each chromosome?
The sister chromatids (arms) are held together by centromeres. Centromeres are the site of attachment for the spindle fibers.
If During which phase of mitosis do spindle fibers move the sister chromatids to the center of the cell?
During metaphase of mitosis, spindle fibers attach to the centromeres of the sister chromatids and align them at the cell's equatorial plane, also known as the metaphase plate. This positioning is crucial for ensuring that each daughter cell will receive an identical set of chromosomes during the subsequent phase of mitosis.
What structure are spindles attached to that help pull the paired chromosomes apart?
Spindle fibers attach to the centromeres on the sister chromatids.
What guide or pull chromosomes during mitosis?
The mitotic spindle, comprised of microtubules, guides and pulls chromosomes during mitosis. The spindle fibers attach to the centromeres of sister chromatids and help separate them to opposite poles of the cell during cell division.
What is an area where the chromosome are attached?
The chromosomes are attached at their centromeres, which in turn attach to spindle fibers when being pulled apart during mitosis.
To which part of the centromere do mitotic spindle fibers attach during prometaphase?
The centromeres of chromosomes attach to the spindle fibers during metaphase. The spindle fibers bring about the separation of sister chromosomes to the opposite poles. When spindle fibers do not attach to the centromeres, the doubling of chromosomes leads to polyploidy in the cell.
During which phase of mitosis do the centromeres line up along the cell equator?
During metaphase, the centromeres of chromosomes align along the cell equator, also known as the metaphase plate. This alignment is crucial for ensuring that each daughter cell will receive an equal and accurate distribution of chromosomes during the subsequent stages of mitosis. The spindle fibers attach to the centromeres, preparing for the separation of sister chromatids in the next phase, anaphase.
Where does the sister chromatids line up on the equator of the cell?
Sister chromatids line up at the equatorial plane of the cell during metaphase of mitosis. This alignment occurs at what is known as the metaphase plate, where spindle fibers attach to the centromeres of the chromatids. This precise arrangement ensures that each daughter cell receives an identical set of chromosomes during cell division.
In mitosis what pulls the sister chromatids apart?
During mitosis, the mitotic spindle, which is made of microtubules, pulls the sister chromatids apart. The microtubules attach to the kinetochores located on the centromere of each sister chromatid and exert force to move them towards opposite poles of the cell.
What does kinetochore do?
The kinetochore is a protein structure located at the centromere of a chromosome. It plays a crucial role in cell division by attaching the chromosome to the mitotic spindle during mitosis and meiosis, ensuring that the genetic material is evenly distributed between daughter cells.
What stage when spindle fibers attach to chromosomes?
The stage when spindle fibers attach to chromosomes is during metaphase of mitosis or meiosis. Spindle fibers, which are made of microtubules, attach to the centromere region of chromosomes to help separate them correctly during cell division.
Chromosomes attached to the spindle fibers by undivided structures is called what?
Name of the Undivided Structures"The centromeres enable chromosomes to attach to spindle fibers." Not exactly. The centromeres are areas of DNA where the two sister chromatids touch. The spindle fibers actually bind to the kinetochore, a structure found on the chromosomes.
