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The mitotic/meiotic spindle originating from the centrosomes and composed of microtubule subunits. Kinetochores provide the motive power.
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What is the phase of mitosis when the chromosomes stop moving?
The phase of mitosis when the chromosomes stop moving is called metaphase. During metaphase, the chromosomes align at the center of the cell along the metaphase plate before moving to separate poles during anaphase.
What do spindle fibers do during mitosis and meiosis?
Spindle fibers are responsible for separating and moving the chromosomes during cell division. In mitosis, they help pull sister chromatids apart to opposite poles of the cell, ensuring that each daughter cell receives a complete set of chromosomes. In meiosis, they perform a similar function but with the added complexity of separating homologous chromosomes during the first division and sister chromatids during the second division.
During which phase of mitosis do the paired chromatids break apart at the centromere to become individual chromosomes before moving toward opposite poles of the cell?
The chromatids break apart at the centromere during the anaphase of mitosis. This is when the spindle fibers pull the individual chromosomes toward opposite poles of the cell.
What function do spindle fibers perform during cell division?
Spindle fibers are responsible for separating and moving chromosomes during cell division. They attach to the chromosomes at the kinetochore region and help pull them to opposite poles of the cell during both mitosis and meiosis. This ensures the accurate distribution of genetic material to daughter cells.
What is the function of the spindle fibers?
The function of the spindle fibers are to divide the genetic material in a cell during nuclear division. During the final phase of meiosis, the spindle fibers pull each set of chromosomes to opposite ends of the cell.
What is responsible for moving chromsomes during mitosis?
microtubules or cytoskeleton (as in centrioles)
What is the phase of mitosis when the chromosomes stop moving?
The phase of mitosis when the chromosomes stop moving is called metaphase. During metaphase, the chromosomes align at the center of the cell along the metaphase plate before moving to separate poles during anaphase.
Each individual protein structure that helps to move the chromosomes apart during mitosis is called what?
The individual protein structure that helps move the chromosomes apart during mitosis is called a microtubule spindle fiber. These fibers form the mitotic spindle, which helps align and separate the chromosomes during cell division.
What plays an important part in mitosis?
The spindle apparatus plays an important part in mitosis. It is responsible for segregating the chromosomes into two daughter cells by attaching to and moving the sister chromatids. This process ensures that each daughter cell receives an equal and complete set of chromosomes.
The phase of mitosis that ends when the chromosmnes stop moving?
The phase of mitosis that ends when the chromosomes stop moving is called metaphase. In metaphase, the chromosomes align along the cell's equator, and the spindle fibers attach to the centromeres of each chromosome. Once the chromosomes are properly aligned, the cell can proceed to the next phase of mitosis.
The assembly of microtubules is responsible for the movement of chromosomes during anaphase is called what?
The assembly of microtubules responsible for moving chromosomes during anaphase is called the mitotic spindle. It is composed of microtubules that attach to chromosomes and help separate them into two new daughter cells during cell division.
What do spindle fibers do during mitosis and meiosis?
Spindle fibers are responsible for separating and moving the chromosomes during cell division. In mitosis, they help pull sister chromatids apart to opposite poles of the cell, ensuring that each daughter cell receives a complete set of chromosomes. In meiosis, they perform a similar function but with the added complexity of separating homologous chromosomes during the first division and sister chromatids during the second division.
During which phase of mitosis do the paired chromatids break apart at the centromere to become individual chromosomes before moving toward opposite poles of the cell?
The chromatids break apart at the centromere during the anaphase of mitosis. This is when the spindle fibers pull the individual chromosomes toward opposite poles of the cell.
During what phase of mitosis do centreomes divide and the chromosomes move toward their respective poles?
During the anaphase stage of mitosis, centromeres divide and the sister chromatids are separated as they are pulled towards opposite poles of the cell by the spindle fibers. This results in the chromosomes moving toward their respective poles.
What function do spindle fibers perform during cell division?
Spindle fibers are responsible for separating and moving chromosomes during cell division. They attach to the chromosomes at the kinetochore region and help pull them to opposite poles of the cell during both mitosis and meiosis. This ensures the accurate distribution of genetic material to daughter cells.
The chromosomes separate and move in opposite directions during?
The process you are referring to is called mitosis. In mitosis, the chromosomes line up in the middle of the cell and then separate, with one set moving to each side of the cell. This ensures that each daughter cell receives a complete set of chromosomes.
What is the function of the spindle fibers?
The function of the spindle fibers are to divide the genetic material in a cell during nuclear division. During the final phase of meiosis, the spindle fibers pull each set of chromosomes to opposite ends of the cell.
