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Stack #4380549
| Question | Answer |
|---|---|
| chromosome | -a long, thread-like structure composed of DNA and proteins that carries genetic information. |
| chromatin | -the complex of DNA and proteins found in the nucleus of eukaryotic cells. |
| Mitotic cell division (mitosis) | - the process by which a single cell divides to produce two genetically identical daughter cells. |
| Sister chromatids | -are two identical copies of a single chromosome that are connected by a centromere. |
| centromere | -is the region of a chromosome where sister chromatids are joined together. |
| centrosome | -an organelle that serves as the main microtubule organizing center of the cell. |
| Centriole | -is a cylindrical structure made up of microtubules, found within the centrosome. |
| Tumor | - is an abnormal mass of tissue that forms when cells divide uncontrollably. |
| Growth factor | - are naturally occurring substances, usually proteins, that stimulate cell proliferation, differentiation, and survival. |
| Density-dependent inhibition- | - is a regulatory mechanism in which cell division is inhibited when cells become too crowded. |
| Malignant tumor | - is a cancerous growth that can invade surrounding tissues and spread to other parts of the body (metastasis). |
| Benign tumor | - is a non-cancerous growth that does invade surrounding tissues or metastasize. |
| Metastasis | - the process by which cancer cells spread from the original (primary) tumor to distant sites in the body, forming secondary tumors. |
| Somatic cell | - is any cell in the body that is not made up of a sperm or egg cell. |
| Cytokinesis | -process during cell division where the cytoplasm of a parental cell is divided into two daughter cells, following the division of the nucleus. |
| Prophase | - first stage of mitosis, where chromatin condenses into visible chromosomes, and the nuclear envelope begins to break down. |
| Metaphase | - stage of mitosis where chromosomes align at the cells equatorial plane, preparing for separation. Anaphase-stage of mitosis where sister chromatid |
| Anaphase | -stage of mitosis where sister chromatids are pulled apart and move toward opposite poles of the cell. |
| Telophase | - final stage of mitosis, where the separated chromosomes reach the poles, and the nuclear envelope re-forms around each set of chromosomes. |
| Interphase | -phase of the cell cycle where the cell prepares for division, including DNA replication and growth, and is divided into G1, S, and G2 phases. |
| Asexual reproduction | -Reproduction involving a single organism. |
| Binary fission | -form of asexual reproduction where a single organism divides into two equal parts. |
| Budding | - form of asexual reproduction where a new organism develops from an outgrowth or bud on the parent organism, eventually detaching. |
| Mutation | -change in the DNA sequence of an organism, which can lead to variations in traits and may affect the organism's function. |
| Zone of Elongation | - is a region in plant roots where cells increase in length, contributing to root growth. |
| Mutagen | - is an agent, such as radiation or a chemical substance, that causes mutations in the DNA of an organism. |
| Carcinogen | - a substance or exposure that is known to promote the formation of cancer in living tissue. |
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