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LS1-4 - Mitosis
Term | Definition |
---|---|
Anaphase | A stage in cell division where chromosomes are pulled apart to opposite ends of the cell. |
Cancer | Uncontrolled cell growth that can lead to tumors and spread through the body. |
Carcinogen | A substance that can cause cancer by damaging DNA. |
Cell Cycle | The life cycle of a cell, including growth, DNA replication, and division. |
Cell Plate | A structure that forms in plant cells during cell division to help separate the two new cells. |
Centromere | The part of a chromosome that links sister chromatids and where spindle fibers attach. |
Centrosome | An organelle that organizes spindle fibers for chromosome movement during cell division. |
Checkpoint | Points in the cell cycle where the cell checks if it's ready to proceed to the next stage. |
Chromosome | A structure made of DNA that contains genes, found in the nucleus of cells. |
Cleavage Furrow | A groove that forms as animal cells divide, helping to split the cell into two. |
Cytokinesis | The process where the cytoplasm divides, creating two new cells. |
Cytoplasm | The fluid inside a cell that surrounds organelles. |
Daughter Cell | The new cells formed after cell division. |
Differential Gene Expression | The process by which cells express different sets of genes to become specialized. |
Differentiation | The process by which cells become specialized for specific functions. |
Diploid | A cell with two sets of chromosomes, one from each parent. |
DNA (Deoxyribonucleic Acid) | The molecule that contains genetic instructions for life. |
Egg Cell | A female reproductive cell that can be fertilized by a sperm cell. |
Embryo | An early stage of development after fertilization. |
Fertilize | The process of a sperm cell joining with an egg cell to form a new organism. |
Gap 1 (G1) | A phase in the cell cycle where the cell grows and carries out normal functions. |
Gap 2 (G2) | A phase in the cell cycle where the cell prepares for division. |
Gene | A section of DNA that provides instructions for making a protein. |
Genome | The complete set of genetic material in an organism. |
Growth | An increase in cell size or number, leading to organismal development. |
Haploid | A cell with one set of chromosomes, like sperm and egg cells. |
Interphase | The part of the cell cycle when the cell grows, replicates DNA, and prepares for division. |
Maintenance | The processes cells perform to stay healthy and functional. |
Metaphase | A stage in cell division where chromosomes line up in the center of the cell. |
Mitosis | A type of cell division that creates two identical cells from one parent cell. |
Mitotic Phase (M) | The phase in the cell cycle when the cell divides its nucleus and cytoplasm. |
Multicellular | An organism made of multiple cells. |
Nucleus | The cell structure that holds DNA. |
Parent Cell | The original cell that divides to form two new cells. |
Prophase | A stage in cell division where chromosomes become visible and the nuclear membrane breaks down. |
Protein | Molecules made of amino acids that perform many functions in cells. |
Replication | The process of copying DNA so each new cell has a complete set. |
Sister Chromatid | Each half of a duplicated chromosome, which separates during cell division. |
Somatic Cell | Any cell in the body that is not a sperm or egg cell. |
Sperm Cell | A male reproductive cell that can fertilize an egg cell. |
Spindle Fibers | Structures that help separate chromosomes during cell division. |
Stem Cell | A cell that can develop into different cell types. |
Synthesis Phase (S) | The phase in the cell cycle where DNA is replicated. |
Telophase | The final stage of cell division where two new nuclei form. |
Tumor (Benign and Malignant) | A mass of cells; benign tumors don’t spread, while malignant tumors can spread. |
Unicellular | An organism made of only one cell. |