Cell Cycle, Cell Division and Structure of Chromosomes

Biology (Science Paper 3) · Chapter 1 · 1. Basic Biology

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Your path through this chapter

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Visual lesson Beta
1. Part 1: The cell cycle and mitosis14 slides
2. Part 2: Meiosis and the chromosome14 slides
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Notes Beta
5 sections with key terms, formulas and exam tips.
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Flashcards Beta
30 cards for quick recall of key terms and facts.
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Practice
70 board-style questions with instant checks: Multiple choice 26, Short answer 21, Assertion and reason 6, Case-based 6.
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Chapter test Free
Short and long chapter tests in board pattern, with results and analysis.
- Chapter test (long) — Cell Cycle, Cell Division and Structure of Chromosomes · 40 marks · 60 min
- Chapter test (short) — Cell Cycle, Cell Division and Structure of Chromosomes · 20 marks · 30 min
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The cell cycle: interphase (G1, S, G2) and mitotic phase
Mitosis and its stages (prophase, metaphase, anaphase, telophase); cytokinesis in plant and animal cells
Meiosis as a reduction division; homologous chromosomes and crossing over as a source of variation
Significance of mitosis and meiosis; differences between them
Structure of a chromosome: chromatin, chromatids, centromere, genes and DNA