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BIO10-2:CellDivision
15 Questions
| Question | Answer |
|---|---|
| What is Mitosis? | Mitosis is the division of the cell nucleus. |
| What phase is it when the chromosomes seperate? | Anaphase |
| The cytoplasm pinches in half each daughter cell has an identical sets of duplicated chromosomes, what is this? | Cytokinesis |
| How many parts are there in the cell cycle? | Six |
| What is the first phase of mitosis? | Prophase |
| What is the second phase of mitosis? | Metaphase |
| What is the third phase of mitosis? | Anaphase |
| What are chromosomes made up of? | DNA |
| What is the second stage, division of the cytoplasm, is called? | Cytokinesis |
| __________ are usually located near the middle of the chromatide although some lie near the ends. | Centromeres |
| At one time, biologist described the life of a cell as one cell diviision after another seperated by an "in-between" period of growth called? | interphase |
| The _____ _____ is the series of events that cells go though as they grow and divide. | Cell Cycle |
| The centrioles lie in a region called the centrosome that helps to organize the _______ a fan like microtuble structure that helps seperate the chromosomes. | Spindle |
| The _____ two tiny structures located in the cytoplasm near the nuclear envelope seperate and take up positions on opposite sides of the nucleus. | centrioles |
| ________- can take place in a number of ways. | Cytokinesis |
| whats the longest phase of mitosis | prophase |
| what also happens during cytokinesis | telophase |
| two new nuclear envelopes form | telophase |
| each chromosomes is connected to a spindle fiber | metaphase |
| the individual chromosomes move apart | anaphase |
| sister chromatids separate into individual chromosomes | anaphase |
| chromosomes become visible | prophase |
| centrioles separate | prophase |
| what happens when the cell copies chromosomes | a sister chromatin is formed |
| what are the 4 phases of the cell cycle | G1, S, G2, M |
| what happens during cytokensis | the cytoplasm splits |
| what causes teh abnormal growth of cancer cells | they dont respond to the signals that regulate the cell cycle |
| how do external regulators respond to events outside the cell? | directs cells to speed up or slow down the cell cycle |
| what is the function of cyclin in eukaryotic cells | regulates the timing of the cell cycles |
| the division of cells cytoplasm is called | cytokensis |
| the final phase of mitosis | telophase |
| at the beginning of cell division each chromosome consists of two sister | chromatids |
| a tiny structure located in the cutoplasm near the nuclear envelope is a | centrioles |
| a disorder in whichsome of the bodus cells lose the ability to control growth is called | cancer |
| the process by which a cell divides into two new daughter cells is called | cell division |
| a protein that regulates the timing of the cell cycle in eukaryotic cells is | cyclin |
| the series of events that cells go through as they grow and divide is known as the | cell cycle |
| a fanlike microtubule structure that helps separate the chromosomes in a | spindle |
| the time perod between cell division is called | interphase |
| the area where a pain of chromatids is attacched is the | centromoere |
Created by:
12_czobel
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