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A DNA spindle, or spindle apparatus, forms during the prophase stage of mitosis and meiosis. Specifically, in prophase, the chromatin condenses into visible chromosomes, and the spindle fibers begin to extend from the centrosomes to form the spindle apparatus, which is crucial for the separation of sister chromatids during cell division.
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In what phase do spindle fibers form from the centrioles?
Spindle fibers are thin tubes that form between the centrioles during mitosis. True..
Is the first phase of mitosis in which chromosomes condense and spindle microtubules begin to form.?
the phase of mitosis when chromosimes are ligned in the middle of the cell
In which phase do spindle apparatus has disassembled and the spindle fibers dissolve?
Telophase
In What phase does micro tubules form the spindle?
Microtubules form the spindle during the metaphase of cell division, specifically in mitosis and meiosis. In this phase, the spindle fibers, which are composed of microtubules, align the chromosomes at the cell's equatorial plane. This alignment is crucial for ensuring that each daughter cell receives an identical set of chromosomes during the subsequent anaphase. The proper formation and function of the spindle are essential for accurate chromosome segregation.
What phase in mitosis happens first?
The first phase in mitosis is prophase, during which the chromosomes condense, the nuclear envelope breaks down, and the mitotic spindle fibers begin to form.
At which phase of meiosis 1 do spindle fibers form?
Spindle fibers form during the prophase stage of meiosis 1.
In what phase do spindle fibers form from the centrioles?
Spindle fibers are thin tubes that form between the centrioles during mitosis. True..
Is the first phase of mitosis in which chromosomes condense and spindle microtubules begin to form.?
the phase of mitosis when chromosimes are ligned in the middle of the cell
What phase are chromosomes visible and attach to spindle fibers?
Visible in prophase and attach to spindle fibers in meta phase
In which phase do spindle apparatus has disassembled and the spindle fibers dissolve?
Telophase
In What phase does micro tubules form the spindle?
Microtubules form the spindle during the metaphase of cell division, specifically in mitosis and meiosis. In this phase, the spindle fibers, which are composed of microtubules, align the chromosomes at the cell's equatorial plane. This alignment is crucial for ensuring that each daughter cell receives an identical set of chromosomes during the subsequent anaphase. The proper formation and function of the spindle are essential for accurate chromosome segregation.
What phase is the spindle is formed?
prophase
Which phase is the DNA replicated in during mitosis?
Chromatin (DNA in loose form) is replicated in the S phase of interphase. Interphase follows prophase and is comprised of a G1 phase, S phase, and G2 phase.
What event occurs during interphase?
The cell is prepared for division by doubling the DNA and centromeres and adding spindle fibers
Is DNA condensed in g2 phase?
Yes, DNA is condensed in G2 phase. During G2 phase of the cell cycle, DNA is already replicated and has undergone condensation to form distinct chromosomes. This preparation ensures that the cell is ready for mitosis.
How do you describe how DNA copies itself?
DNA replication occurrs through a process called mitosis. The stages of mitosis are (I)PMAT.InterphaseIn the G1 phase, protein synthesis occurrs and mRNA runs along the chromosomes. In the S phase, DNA polymerase runs along the chromosomes/chromatids and creates complementary strands of DNA. In the G2 phase, the 23 chromosomes all have sister chromatids.2. Prophase- Chromosomes condense, spindle fibers form, and the nuclear membrane disintegrates. (23 chromosomes/46 chromatids)3. Metaphase- the chromosomes line up in the middle of the cell and spindle fibers from the centrioles connect to the chromosomes at the kinetochores. (23 chromosomes/46 chromatids)4. Anaphase- Sister chromatids are pulled apart by the spindle fibers to each pole of the cell. (23 chromosomes/46 chromatids)5. Telophase- nuclear envolopes form around the chromatids at each pole, the spindle fibers reduce, the chromatids decondense. (46 chromosomes/ 46 chromatids)Then cytokinesis occurrs to split up the cell into two cells.
What phase in mitosis happens first?
The first phase in mitosis is prophase, during which the chromosomes condense, the nuclear envelope breaks down, and the mitotic spindle fibers begin to form.
