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Questions and Answers
What happens to the genetic material before mitosis begins?
What happens to the genetic material before mitosis begins?
- It multiplies by four.
- It condenses into chromatin.
- It remains unchanged.
- It doubles to form sister chromatids. (correct)
During which phase of mitosis do sister chromatids line up in the center of the cell?
During which phase of mitosis do sister chromatids line up in the center of the cell?
- Telophase
- Prophase
- Metaphase (correct)
- Anaphase
What role do spindle fibers play during anaphase?
What role do spindle fibers play during anaphase?
- They form new nuclear membranes.
- They pull sister chromatids apart. (correct)
- They dissolve the centromeres.
- They condense chromatin into chromosomes.
What occurs during telophase?
What occurs during telophase?
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What happens during cytokinesis following mitosis?
What happens during cytokinesis following mitosis?
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Study Notes
Interphase
- The cell prepares to divide
- Genetic material doubles.
- Sister chromatids are held together by a centromere.
Prophase
- Chromatin condenses.
- Chromatin consists of DNA and proteins that make up chromosomes.
- Centrioles (or poles) appear and begin to move to opposite ends of the cell.
- Centrioles begin the formation of spindle fibers between the poles.
Metaphase
- Sister chromatids line up in the center of the cell.
- Sister chromatids attach to spindle fibers.
Anaphase
- Sister chromatids separate and are pulled to opposite ends of the cell by spindle fibers.
Telophase
- Two new nuclei and nuclear membranes form.
- Chromosomes appear as chromatin (thread-like instead of rod-like).
- Mitosis ends.
Cytokinesis
- The cell membrane moves inward to create two daughter cells.
- Each daughter cell has its own nucleus with identical chromosomes.
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Description
Test your understanding of the stages of mitosis, from interphase through cytokinesis. This quiz covers key events and terminology, highlighting the changes that occur as a cell divides. Perfect for biology students looking to solidify their knowledge of cellular processes.
