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Questions and Answers
What is the main difference between a haploid and a diploid cell?
What is the main difference between a haploid and a diploid cell?
- Haploid cells contain more genetic information than diploid cells.
- Haploid cells can undergo mitosis while diploid cells cannot.
- Haploid cells have homologous chromosomes while diploid cells do not.
- Haploid cells have half the normal chromosome number compared to diploid cells. (correct)
During which phase of the cell cycle does crossing over primarily occur?
During which phase of the cell cycle does crossing over primarily occur?
- Prophase (correct)
- Telophase
- Anaphase
- Metaphase
What is one primary function of spindle fibers?
What is one primary function of spindle fibers?
- To create the cytoplasm during cytokinesis.
- To replicate DNA during the S phase.
- To support the DNA structure.
- To facilitate the separation of chromatids during cell division. (correct)
Which statement correctly describes a malignant tumor?
Which statement correctly describes a malignant tumor?
What is the primary role of centrioles in cell division?
What is the primary role of centrioles in cell division?
Flashcards
Binary Fission
Binary Fission
The process by which a single-celled organism divides into two identical daughter cells.
Cell Cycle
Cell Cycle
The orderly sequence of events that takes place in a cell leading to its division and duplication of its chromosomes.
Cytokinesis
Cytokinesis
The division of the cytoplasm of a cell following mitosis or meiosis, resulting in two daughter cells.
Asexual Reproduction
Asexual Reproduction
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Mitosis
Mitosis
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Study Notes
Cell Division
- Binary Fission: DNA pinches equally into two, resulting in two identical daughter cells
- Cell Cycle: Includes Interphase (G1, S, G2), Mitosis, and Cytokinesis
- Cytokinesis: Cell pinches off into two separate cells
- Interphase: G1, S, and G2 phases occur together
- Mitosis: Divides the nucleus into two nuclei
- Asexual Reproduction: Forms identical offspring (clones)
- Centriole: Organelle that creates spindle fibers
- Centromere: Centre of a chromosome
- Chromatin: Uncoiled DNA
- Chromosomes: Tightly coiled DNA
- Gametes: Sex cells (sperm and egg)
- Zygote: Fusion of sperm and egg
- Haploid: Half the normal chromosome number
- Diploid: Full chromosome number
- Homologous Chromosomes: Identical chromosomes
- Crossing Over: Exchange of genetic material between homologous chromosomes
Meiosis & Mitosis Types
- Meiosis: Specific to somatic cells (skin, muscle, bone)
- Prophase, Metaphase, Anaphase, Telophase are stages in Mitosis
- Spindle Fibers
- Spores: Reproductive cells
- Vegetative Propagation: New plants from a fragment of original plant
- Cancer-cell cycle timing
- Chromatid
- Differentiation
- Daughter cells
- Benign tumor
- Malignant tumor
- Karyotype: Visual representation of chromosomes
- Centriole: Cell structure involved in cell division
- Nondisjunction: Failure of chromosomes to separate during cell division
- Stem Cell: Undifferentiated cells that can divide and differentiate into specialized cells
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Description
Explore the intricate processes of cell division, including mitosis and meiosis. Understand key concepts such as interphase, cytokinesis, and the formation of gametes. This quiz will help you grasp the stages and significance of cellular reproduction in living organisms.
