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biology
cornell notes
Question | Answer |
---|---|
What is the cell cycle? | The cell cycle is a cycle of 4 main stages, Gap 1, Synthesis, Gap 2 and mitosis. |
What is mitosis? | mitosis is the fourth stage of the cell cycle, includes two processes : Mitosis and Cytokinesis. |
What does it mean by all cells divide at different rates? | What it means is everybody's body has a different time of when the cells change. |
Why is cell size limited? | A cell is limited because if the cell is to small the organelles and molecules wouldn't fit right. |
What are chromosomes? | A chromosome is a long thread of DNA that consists of numerous genes. |
What are histones? | Histones are a group of proteins. |
What does it mean by it produces into two identical daughter cells? | At the end of all the stages there are two cells that convert into two identical daughter cells. |
That are the four stages? | The four stages are Prophase, Metaphase, Anaphase, and Telophase. |
What is Prophase? | Prophase is DNA and proteins that ciol up into tight chromosomes. |
What is Telophase? | Telophase is a nuclear membranes that starts to form, chromosomes uncoil. |
What does synthesis mean? | The combining to make a whole. |
How many chromosomes does are body have? | Our Body has 46 chromosomes. |
Why do chromosomes duplicate during mitosis? | They must condense in order to be divided between two nuclei. |
Why does Gap 1 carry out normal functions? | The skeletal muscle cell contrasts to move joints. |
What is the approximate life spam of a skin cell? | The life spam is 2 weeks. |