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Questions and Answers
What is the function of spindle fibers during mitosis?
What is the function of spindle fibers during mitosis?
- To condense chromosomes before they become visible.
- To attach to chromatids and pull them apart. (correct)
- To replicate the chromosomes before mitosis starts.
- To reform the nuclear membrane after mitosis.
At what stage do chromosomes line up along the cell's equator?
At what stage do chromosomes line up along the cell's equator?
- Stage 1
- Stage 4
- Stage 2 (correct)
- Stage 5
What occurs immediately after the sister chromatids are formed?
What occurs immediately after the sister chromatids are formed?
- They create new chromosome pairs.
- They undergo a second replication.
- They condense and become visible. (correct)
- They separate to opposite ends of the cell.
What is the result at the end of the mitosis process?
What is the result at the end of the mitosis process?
Which stage marks the reformation of the nuclear membranes?
Which stage marks the reformation of the nuclear membranes?
Flashcards
Prophase
Prophase
The initial stage of mitosis where chromosomes replicate and condense, becoming visible under a microscope.
Metaphase
Metaphase
During metaphase, the duplicated chromosomes line up at the center of the cell, attaching to spindle fibers.
Anaphase
Anaphase
Sister chromatids are pulled apart by spindle fibers toward opposite ends of the cell, effectively separating the genetic material.
Telophase
Telophase
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Mitosis
Mitosis
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Study Notes
Stages of Mitosis
- Mitosis is a process where a single cell divides into two identical daughter cells
- Chromosomes are long thin structures visible under a microscope in the nucleus before mitosis
- Before mitosis, chromosomes replicate to form identical sister chromatids joined at the centromere
Stage 1
- Chromosomes condense and become visible
- Nucleus membrane begins to break down
Stage 2
- Chromosomes replicate and become visible
- Nucleus membrane begins to break down
Stage 3
- Chromosomes line up along the cell's equator
- Spindle fibers from each pole of the cell attach to each chromatid at the centromere
Stage 4
- Spindle fibers pull the sister chromatids apart to opposite ends of the cell
Stage 5
- Nuclear membranes reform
- Cytoplasm divides
Stage 6
- Two daughter cells are formed
- Each daughter cell has a complete set of chromosomes (diploid) similar to the parent cell
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Description
Test your knowledge on the stages of mitosis, a key process in cell division. This quiz covers the detailed actions that occur during each stage, from chromosome condensation to the formation of daughter cells. Perfect for biology students looking to reinforce their understanding of this fundamental biological process.
