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| Cells must undergo __?__ in order for the total number of cells to increase and for an organism to grow |
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| The __?__ are located in the nucleusand are the blueprints for life |
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| Chromosomes line up in the middle |
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| Chromosomes begin to seperate |
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| Cytoplasm is pinched to form two parts |
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| During __?__ the cell is performing life functions but it is not actually dividing |
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| chromosomes are copied not visible,thread like coils called chromotin |
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Definition
| Describe how the chromosomes appear during interphase |
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Definition
| Describe what happens to the normal number of chromosomes at the end of interphase |
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| holds together the two central chromosomes |
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| Describe the purpose of mitosis |
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| to form two identical nuclei |
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| Describe what happens to the chromatin during prophase |
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Definition
| chromatin shorten and become chromosomes |
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| Near the end of prophase,which organelle seems to disappear |
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| Do you find centrioles in animal or plant cells? |
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| At which phase do the centromeres seperate |
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| How many cells are formed at the end of the telophase |
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| cell process in which the nucleus divides to form two nuclei identical to each other, and identical to the original nucleus in a series of steps |
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| Reproductive process that produces four haploid sex cells form one diploid cell and ensures offspring will have the same number of chromosomes as the parent oragamisms |
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| Structure in a cells nucleus that contains genetic material |
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| a type of reproduction-fission,budding,and regeneration-in which a new oragnism is produced form one parent and has DNA identical to the parent oragnism |
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| a type of reproduction in which two cells, usually an egg and sperm, join to form a zygote,which will develop into a new organism with a unique identify |
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| in sexual reproduction, the joining of the sperm and the egg |
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| new diploid cell formed when a sperm fertilizes an egg; will divide by mitosis and develop into a new organism |
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| cell that has only one of each type of chromosome |
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| cell whose chromosomes occur in pairs |
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| deoxyribonuclei acid; the genetic material of all organisms;made up of two twisted strand of sugar phosphate molecules and nitrogen bases |
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| Ribonuclei acid; which carries codes for making proteins from the nucleus to the ribosomes |
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| Section of DNA on a chromosome that contain instructions for making specific proteins |
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| any permanent change in a gene or chromosome of a cell; may be beneficial, harmful,or have little effect on an oragnism |
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