Term
| What are two reasons cells divide rather than continue to grow indefinitely? |
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Definition
| DNA overload and exchanging materials is harder to do |
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Term
| As a cell continues to increase in size, what happens? |
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Definition
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Term
| What determines the rate at which food and oxygen in a cell are used up and waste products are produced? |
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Definition
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Term
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Definition
| process by which a cell divides into new daughter cells |
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Term
| How does cell division solve the problem of increasing size? |
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Definition
| The daughter cells divide before getting too big. |
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Term
| In eykaryotic cells, what are the two main stages of cell division? |
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Definition
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Term
| When chromosomes become visible at the beginning of cell division, what does each chromosome consist of? |
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Definition
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Term
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Definition
| Each pair of chromatids are attached to these |
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Term
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Definition
| The period of growth in between cell division |
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Term
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Definition
| Series of events that cell go through as they divide. |
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Term
| What is the division of the cell nucleus during the M phase of the cell cycle called? |
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Definition
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Term
| Interphase is divided in to what three phases? |
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Definition
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Term
| What occurs during G1 phase? |
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Definition
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Term
| What occurs during S phase? |
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Definition
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Term
| What happens during G2 phase? |
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Definition
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Term
| What are the four phases of mitosis? |
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Definition
| Prophase, Metaphase, Anaphase, & Telophase. |
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Term
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Definition
| Two tiny structures located in the cytoplasm near the nuclear envelope at the beginning of Prophase. |
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Term
| What is spindle? What do they do? |
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Definition
Microtubule
Seperate Chromosomes |
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Term
| Name the phases in order. |
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Definition
| Prophase, Metaphase, Anaphase Telophase, Cytoknesis. |
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Term
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Definition
| The chromosomes become visible. The centroles take up positions on opposite sides of the nucleus. |
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Term
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Definition
| The chromosomes line up across the center of the cell. |
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Term
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Definition
| The chromosomes move until they form two groups near the poles of the spindles. |
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Term
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Definition
| A nuclear envelope re-forms around each cluster of chromosomes. THe nucleolus becomes visible in each daughter nucleus. |
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Term
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Definition
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Term
| How does cytoknesis occur in most animal cells? |
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Definition
| The cell membrane is drawn inward until the cytoplasm is pinched into nearly two parts. |
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Term
| What forms midway between the divided nucleus during cytoknesis in plant cells? |
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Definition
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Term
| What happens to the cells at the edges of an injury when a cut in the skin or a break in a bone occurs? |
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Definition
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Term
| What happens to the rapidly dividing cell when the haling process nears completion? |
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Definition
| Slows down and returns to normal |
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Term
| What do cyclins regulate? |
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Definition
| timing of the cell cycle in eukaryotic cells |
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Term
| What are internal regulators? |
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Definition
| Proteins the respond to events inside the cell |
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Term
| Cancer cells don't respond to signals that regulate what? |
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Definition
| The growth of most cells. |
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Term
| Cancer cells form masses of cells called what? |
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Definition
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Term
| Cancer cells break loose and spread throughout the what? |
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Definition
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Term
| Cancer is the disease of the what? |
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Definition
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Term
| What is the divison of a cell's cytoplasm called? |
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Definition
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Term
| What is the final stage of mitosis? |
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Definition
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Term
| What is the longest phase of mitosis? |
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Definition
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Term
| What phase do the chromosomes stop moving? |
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Definition
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Term
| What is the division of the cell nucleus called? |
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Definition
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Term
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Definition
| A protein that regulates the timing of the cell cylce in eukaryotic cells |
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Term
| What is the time period between cell divisions called? |
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Definition
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Term
| At the beginning of cell division, each chromosomes consists of what? |
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Definition
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Definition
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