객관식
In which phase of mitosis do the chromosomes line up in the middle of the cell?
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11. Cell Division
Phases of Mitosis
객관식
Which phase of mitosis is characterized by the condensation of chromosomes and the disappearance of the nuclear envelope?
A
Telophase
B
Metaphase
C
Prophase
D
Anaphase
검증된 단계별 안내1
Understand the stages of mitosis: Mitosis is divided into several phases: prophase, metaphase, anaphase, and telophase. Each phase has distinct characteristics.
Identify the characteristics of prophase: During prophase, chromosomes condense and become visible under a microscope. The nuclear envelope begins to break down, allowing the spindle fibers to interact with the chromosomes.
Compare with other phases: In metaphase, chromosomes align at the cell's equatorial plate. In anaphase, sister chromatids are pulled apart to opposite poles. In telophase, the nuclear envelope re-forms around the separated chromatids.
Focus on the key events: The condensation of chromosomes and the disappearance of the nuclear envelope are specific to prophase, distinguishing it from other phases.
Conclude with the correct phase: Based on the characteristics described, the phase of mitosis characterized by the condensation of chromosomes and the disappearance of the nuclear envelope is prophase.
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