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Mitosis Quiz 1
| Question | Answer |
|---|---|
| Cell division occurs in... | Prokaryotes and Eukaryotes |
| Division of the cytoplasm | cytokinesis |
| Structure made of fibers that help to move chromosomes during mitosis | spindle |
| A chromosome consists of two identical | chromatids |
| Disease caused by uncontrolled cell growth | cancer |
| Cells are limited in size by their surface areas and | volume |
| Paired structure that helps organize the spindle | Centrioles |
| Cells exchange materials across the cell | membrane |
| The phase where chromatids separate | Anaphase |
| The phase where chromosomes first become visible | Prophase |
| Series of events a cell goes through as it grows and divides; the cell | cycle |
| The phase in which DNA copies itself | interphase |
| Holds sister chromatids together | Centromere |
| When a cell divides, it forms two ________ cells. | Daughter |
| Cells that can become any other type; _______ cells | Stem |
| Division of the cell nucleus | mitosis |
| The phase where cytokinesis begins | Telophase |
| The phase where chromosomes line up along the equator | Metaphase |
| What is the longest phase? | Prophase |
| What are centrioles? | 1 of 2 tiny structures located in the cytoplasm of animal cells near the nucleur envelope. |
| What is organized in the centrosome area? | mitotic spindles |
| Do plant cells have centrioles? | no |
| What are spindles made of? | protein fibers |
| METAPHASE: Where do chromosomes line up? | across the center of the cell |
| ANAPHASE: What splits apart during this phase? | centromeres (sister chromatids) |
| ANAPHASE: What are they called when they split apart? | Chromosomes |
| TELOPHASE: What becomes visible again during this phase? | a nucleolus |
| During this stage of Interphase cells increase in their size and synthesize new proteins and organelles. | G1 |
| What stage of Interphase does the chromosomes are replicated and the synthesis of DNA molecules take place? | S |
| What stage of Interphase do many of the molecules and organelles required for cell division are produced? | G2 |
| During this phase the cell grows and replicates its DNA and centrioles? | Interphase |
| During this phase the chromatin condenses into chromosomes. The centrioles seperate, and a spindle begins to form. The nuclear envelope break down. | Prophase |
| During this phase the chromosomes line up across the center of the cell. Each chromosome is connected to a spindle fiber at its centromere. | Metaphase |
| During this phase the sister chromatids separate into individual chromosomes and are moved apart. | Anaphase |
| During this phase the chromosomes gather at opposite ends of the cell and lose their distinct shapes. Two new nuclear envelopes will form. | Telophase |
| During this phase the cytoplasm pinches in hald. Each daughter cell has an identical set of duplicate chromosomes. (last phase) | Cytokinesis |
| What are chromatids? | one of two identical "sister" parts of a duplicated chromosome |
| What are the four phases of Mitosis? | Metaphase, Anaphase, Telophase, and Prophase. |
Created by:
pirategirl
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