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What must occur In both mitosis and meiosis for the process to continue to completion.?
In both mitosis and meiosis, proper chromosome replication and alignment are crucial for the processes to continue to completion. During mitosis, sister chromatids must be accurately separated into two daughter cells, while in meiosis, homologous chromosomes must segregate first, followed by the separation of sister chromatids. Additionally, the spindle apparatus must function correctly to ensure that chromosomes are pulled towards opposite poles. Any errors in these processes can lead to cell cycle arrest or the production of cells with abnormal chromosome numbers.
What event must occur outside the nucleus before mitosis can begin?
Before mitosis can happen, the chromosomes inside the nucleus must separate to form identical pairs. This sets the stage for each of the daughter cells to have a copy of the DNA to replicate the full sequence.
What type of fibers do plant and animal cells have during mitosis?
During mitosis, both plant and animal cells have microtubule fibers known as spindle fibers. These fibers help separate the chromosomes and ensure that each daughter cell receives the correct number of chromosomes.
What must happen to a chromosome before the next mitosis cycle starts?
Before the next mitosis cycle starts, the chromosome must replicate during the S phase of interphase to form sister chromatids. This ensures that the daughter cells will receive an exact copy of the genetic material during cell division.
Why are chromosome copied before mitosis?
After Mitosis, the result is 2 new, identical, daughter cells. In order for each to be identical, the chromosomes must be copied.
Must spores occur in mitosis?
Spores are produced through a specialized form of cell division called meiosis, not mitosis. Meiosis involves two rounds of cell division that results in the formation of haploid spores with half the number of chromosomes as the parent cell. These spores will eventually undergo mitosis to form new multicellular organisms.
Must mitosis occur in budding?
Mitosis must occur in budding.
Why must meiosis and mitosis be used to produce gametes?
Meiosis and not mitosis must be used to produce gamete. This is because meiosis produces spores that are used for reproduction and can form similar copies to the parent cell.
Why must abrasive grinding wheels be inspected carefully and the spindle speed checked before mounting?
Spindle speeds must not exceed maximum operating speed.
What is the DNA of mitosis?
There is no DNA of mitosis. Before mitosis, the DNA must be replicated, which occurs during interphase of the cell cycle.
What is the number of cell divitions for the mitosis?
23 because the chromatics must divide and finish mitosis
What event must occur outside the nucleus before mitosis can begin?
Before mitosis can happen, the chromosomes inside the nucleus must separate to form identical pairs. This sets the stage for each of the daughter cells to have a copy of the DNA to replicate the full sequence.
Why must meiosis and not be used to produce gametes?
Meiosis and not mitosis must be used to produce gamete. This is because meiosis produces spores that are used for reproduction and can form similar copies to the parent cell.
Which process separates chromosomes?
In the laboratory, chromosomes can be separated according to length by the electric field of a gel electrophoresis apparatus. The separation of a chromosome into individual units during cell division (mitosis or meiosis) is caused by microtubules which attach the centromere to opposite end of the cell, pulling the two chromatids apart as the cell divides.
What type of fibers do plant and animal cells have during mitosis?
During mitosis, both plant and animal cells have microtubule fibers known as spindle fibers. These fibers help separate the chromosomes and ensure that each daughter cell receives the correct number of chromosomes.
What must happen to a chromosome before the next mitosis cycle starts?
Before the next mitosis cycle starts, the chromosome must replicate during the S phase of interphase to form sister chromatids. This ensures that the daughter cells will receive an exact copy of the genetic material during cell division.
Why are chromosome copied before mitosis?
After Mitosis, the result is 2 new, identical, daughter cells. In order for each to be identical, the chromosomes must be copied.
