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biology
cornell notes
Question | Answer |
---|---|
Why does a cell cycle have a regular pattern of cell and growth? | The four main stages make up interphase. |
Why does Gap 1 carry out normal functions? | The skeletal muscle cell contracts to move joints. |
What does Synthesis mean? | "The combining of parts to make a whole" |
Which stage is Mitosis? | The fourth stage. |
What does cytokinesis result to? | The result is two daughter cells that are genetically identical to the original cell. |
What's the approximate life span for a skin cell? | Their life span is 2 weeks. |
Why do cells have a size limit? | If cells were too small, then they could not maintain all of the necessary nutrients, proteins,and organelles. |
Why do some cells have to be large? | To maintain their growth and division. |
How many chromosomes does our body have? | Our body has a total of 46 chromosomes. |
Why do chromosomes duplicate during Mitosis? | They must condense in order to be divided between two nuclei. |
Why do telomeres repeat nucleotides that do not form genes? | They prevent the ends of chromosomes from attaching to each other. |
Why does a cells nucleus divide into two genetically nuclei? | The body cell has to form. |
What are histones? | Histones are a group of proteins |
What are chromosomes? | A chromosome is a long thread of DNA that consists of numerous genes. |
What is Telephase? | Telephase is a nuclear membrane that starts to form and chromosome uncoil. |