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Questions and Answers
What is the role of the centriole in cell division?
What is the role of the centriole in cell division?
Which processes occur during interphase?
Which processes occur during interphase?
What distinguishes a haploid cell from a diploid cell?
What distinguishes a haploid cell from a diploid cell?
What happens during crossing over in meiosis?
What happens during crossing over in meiosis?
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What characterizes benign tumors compared to malignant tumors?
What characterizes benign tumors compared to malignant tumors?
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Study Notes
Cell Reproduction
- Binary Fission: DNA pinches equally into two, creating two identical cells
- Cell Cycle: Consists of Interphase (G1, S, G2) and Mitosis, culminating in cell division
- Cytokinesis: The pinching off of the cell membrane, completing cell division
- Interphase: The longest stage, encompassing G1, S, and G2 phases of growth and DNA replication
- Mitosis: The process of nuclear division, producing two genetically identical nuclei
- Asexual Reproduction: Generates offspring genetically identical to the parent cell
- Centriole: An organelle crucial for spindle fiber formation during cell division
- Centromere: Region where sister chromatids attach
- Chromatin: Uncoiled DNA, found in the nucleus
- Chromosome: Tightly coiled DNA, easily visible during cell division
- Gametes: Reproductive cells (sperm and egg)
- Zygote: Resulting cell from fertilization
- Haploid: Cells containing half the normal chromosome number
- Diploid: Cells containing the full complement of chromosomes
- Homologous Chromosomes: Pairs of chromosomes carrying the same genes
- Crossing Over: Exchange of genetic material between homologous chromosomes, enhancing genetic diversity
- Meiosis: Cell division designed to reduce chromosome number, producing gametes
- Somatic Cells: Regular body cells (e.g., skin, muscle, bone)
Cell Cycle and Growth
- Vegetative Propagation: New plant growth from a part of the parent plant
- Cancer Cell Cycle Timing: Uncontrolled cell division
- Chromatid: Double-stranded structure of DNA
- Differentiation: Process where cells take on specialized functions
- Daughter Cells: Newly formed cells after cell division
- Benign: Non-cancerous cells; do not spread
- Malignant: Cancerous cells; can spread
- Tumor: Abnormal mass of cells
- Karyotype: Set of chromosomes arranged according to size and structure
- Nondisjunction: Failure of chromosomes to separate properly during meiosis, potentially causing genetic disorders
- Stem Cell: Undifferentiated cells capable of developing into specialized cells
- Budding: Asexual reproduction method of forming a new organism from an outgrowth or bud
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Description
Test your knowledge on the mechanisms of cell reproduction, including binary fission, the cell cycle, and the processes involved in mitosis and cytokinesis. This quiz covers essential terms and concepts related to cell division and asexual reproduction.
