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Sister chromatids separate and a pulled to opposite poles by the mitotic spindle?
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What stage centrioles separate?
Prophase- during prophase, chromatids shorten and thicken, nucleoli disappears, spindle fibers form and centrioles in animal cells move to opposite ends.
What goes on in anaphase?
During anaphase, the spindle fibres pull the chromosomes apart so that there are two identical sets of chromosomes at opposite ends of the cell. Now, the cell is ready for telophase.
What structure forms in prophase along which the chromosomes called?
The answer is Spindle Fibers.
What is the array called when spindle fibers radiate from the centrosomes?
mitotic spindle
In animal cell xhich structure is thougth to produce the spindle fibres that help separate the sister chromatids during anaphase?
Centerioles
What is the role of the spindle fibers during mitosis?
They pull the sister chromatids apart.
What happens to sister chromatids in meiosis?
They separate in anaphase and become chromosomes in new daughter cells
Describe the structure and function of the spindle during mitosis?
Spindle fibers are necessary in mitosis as they help in bringing half the number of chromosomes on each side of the cell, so that when the cell divides, the chromosomes are distributed equally in both the daughter nuclei.
What is the middle of the mitotic spindle?
In the middle of mitotic spindle are the duplicated chromosomes held by kinetochores. These are protein structures are involved in pulling apart the sister chromatids.
What happens in a cell during anaphase?
Anaphase: Spindle fibers shorten, the kinetochores separate, and the chromatids (daughter chromosomes) are pulled apart and begin moving to the cell poles. In summery identical sets of chromosomes are moved to opposite sides of the cell.
The phase of mitosis in which microtubules connect the centromere of each chromosome to the poles of the pindle?
The name for the network of microtubules along which the chromosomes move during cell division is called the spindle fibers. These spindle fibers attach to the chromosomes and pull them in half.
A fan like microtubule structure that helps separate the chromosomes is a?
the spindle
What functions to separate chromatids during cell division?
spindle apparatus
What happens in meiosis during anaphase I?
The chromosomes split equally and move to the opposite sides of the cell.
Are chromatids pulled apart?
During early anaphase, the chromatids abruptly separate and move toward the spindle poles. This is achieved by the shortening of spindle microtubules, with forces mainly being exerted at the kinetochores. anaphase is when the chromatids separate from each other and move to opposit ends of the cell.
Chromatids are pulled apart toward?
During early anaphase, the chromatids abruptly separate and move toward the spindle poles. This is achieved by the shortening of spindle microtubules, with forces mainly being exerted at the kinetochores. anaphase is when the chromatids separate from each other and move to opposit ends of the cell.
What forms to help attached and move chromatids to the opposite poles of the cell?
Spindle Fibers
