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Biology Questions
Question | Answer |
---|---|
What is the cell cycle? | The cell cycle is the regular growth pattern in a cell. |
What are the four main stages of a cell cycle? | Gap(G1), Synthesis(S), Gap 2(G2), Mitosis(M) |
What are the rates of cell division? | The rate of which a cell divides depends on what kind of cell it is. |
What is the limit in cell size? | The size limit in a cell depends on the ratio of cell surface and volume. |
What is a chromosome? | One long strand of DNA that contains genes and regulatory information. |
Why must chromosomes condence at the start of mitosis? | The chromosomes would become entangled. |
What is the interphase? | Provides critical timing for the duplication of organelles. |
What is mitosis? | "When a cell's nucleus into two genetically identical nuclei, each with its own set of DNA" |
What is cytokinesis? | A process to complete the cell cycle by dividing the cytoplasm into two cells. |
What is the process in the cell cycle? | Interphase, Mitosis, prophase, metaphase, anaphase, telophase, cytokinesis. |
What is the prophase? | Chromatin condence into tightly coilded chromosomes. |
What is the metaphase? | Spindle fibers attach to a protein structure on the centromere of each chromosome, lining them up in the middle of the cell. |
What is the anaphase? | "Sister chromatide separate from each other." |
What is a chromatid? | One half of a duplicated chromosome. |
What is the centromere? | A region of condenced chromosome that looks pinched. |