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Cell division includes a stage known as mitosis (meiosis in gametic cells), which has four phases: prophase, metaphase, anaphase and telophase. Each stage can be differentiated under a microscope by the physical changes visible in the cells nucleus; particularly the chromosomal alignment. In prophase chromatids condense to form chromosomes, the mitotic spindle forms and the nucleur membrane breaks down.
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How many cells are in prophase during the process of cell division?
During prophase of cell division, there are typically 46 cells in humans.
What happens to the DNA in prophase of the cell cycle?
During prophase of the cell cycle, the DNA condenses and coils tightly to form visible chromosomes. This process helps to organize and prepare the DNA for cell division.
What happens to the nucleus during prophase of cell division?
During prophase of cell division, the nucleus condenses and the chromatin (DNA and proteins) inside it becomes tightly coiled into chromosomes. The nuclear membrane also breaks down, allowing the chromosomes to become more visible and ready for division.
When do centrioles move to opposite ends of a cell during cell division?
Centrioles move to opposite ends of a cell during cell division in the prophase stage of mitosis.
How does the prophase stage contribute to the division process in a specific number of cells?
During the prophase stage of cell division, the genetic material inside the cell condenses and becomes visible as chromosomes. This helps ensure that each new cell receives the correct amount of genetic material during division. Prophase also plays a role in organizing and preparing the cell for division by forming structures called spindle fibers that help separate the chromosomes. Overall, prophase contributes to the accurate distribution of genetic material to a specific number of cells during cell division.
How many cells are in prophase during the process of cell division?
During prophase of cell division, there are typically 46 cells in humans.
What happens to the DNA in prophase of the cell cycle?
During prophase of the cell cycle, the DNA condenses and coils tightly to form visible chromosomes. This process helps to organize and prepare the DNA for cell division.
What happens to the nucleus during prophase of cell division?
During prophase of cell division, the nucleus condenses and the chromatin (DNA and proteins) inside it becomes tightly coiled into chromosomes. The nuclear membrane also breaks down, allowing the chromosomes to become more visible and ready for division.
When does crossing over occure?
prophase I
Can chromosomes be seen in a cell that is observed in prophase?
Yes. During prophase the chromosomes condense to prepare for cell division.
When do centrioles move to opposite ends of a cell during cell division?
Centrioles move to opposite ends of a cell during cell division in the prophase stage of mitosis.
What happens to cell membranes during cell division?
During prophase the nuclear membrane disintegrates. The metaphase through anaphase the molecules are not formed as membranes. During telophase it reintegrates and in interphase it is present as normal.
In Which phase the nucleolus begins to fade from view of the cell cycle?
The nucleolus begins to fade from view during prophase.
When do chromosomes condense and become thicker rod-like?
Chromosomes condense and become thicker rod-like structures during the prophase stage of cell division, specifically during prophase I of meiosis and prophase of mitosis. This condensation is necessary for the chromosomes to be visible under a microscope and for proper segregation during cell division.
How does the prophase stage contribute to the division process in a specific number of cells?
During the prophase stage of cell division, the genetic material inside the cell condenses and becomes visible as chromosomes. This helps ensure that each new cell receives the correct amount of genetic material during division. Prophase also plays a role in organizing and preparing the cell for division by forming structures called spindle fibers that help separate the chromosomes. Overall, prophase contributes to the accurate distribution of genetic material to a specific number of cells during cell division.
What phase do chromasomes condense?
Chromosomes condense during the prophase stage of cell division, specifically during mitosis and meiosis. Condensation allows for more efficient movement and separation of genetic material during cell division.
If a skin cell has 40 micrograms of DNA during G1 how much DNA will it have during prophase?
During prophase, when the cell is preparing for cell division, the amount of DNA in a skin cell remains the same as in G1 phase. So, the skin cell will still have 40 micrograms of DNA during prophase.
