Chapter 10- Cell Division
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Transcript of Chapter 10- Cell Division
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Vocabulary The Cell Cycle Mitosis Mitosis Cell Cycle
Regulation
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Question 1 - 10
• This is the process by which a cell divides into 2 daughter cells.
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Answer 1 – 10
• What is cell division?
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Question 1 - 20
• Collectively, this part of the cell cycle includes the G1, S and G2 phases. They are the “intermediate” phases between periods of cell division.
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Answer 1 – 20
• What is interphase?
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Question 1 - 30
• When chromosomes replicate, they form these. It looks like an “x” shape.
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Answer 1 – 30
• What are sister chromatids?
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Question 1 - 40
• This is the area where sister chromatids attach. When the spindle forms, this is the part of the sister chromatids that binds to the spindle.
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Answer 1 – 40
• What is the centromere?
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Question 1 - 50
• This is a protein that regulates the timing of the cell cycle.
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Answer 1 – 50
• What is a cyclin?
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Question 2 - 10
• The cell cycle consists of this many phases?
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Answer 2 – 10
• What are four?
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Question 2 - 20
• Cell division occurs in the M phase of the cell cycle. It is made up of these two parts?
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Answer 2 – 20
• What are mitosis and cytokinesis?
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Question 2 - 30
• These two phases of the cell cycle control the growth of cells, in between periods of division.
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Answer 2 – 30
• What are the G1 ad G2 phases?
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Question 2 - 40
• These are the phases of the cell cycle, in order.
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Answer 2 – 40
• What are M, G1, S and G2?
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Question 2 - 50
• Chromosome replication occurs during this phase of the cell cycle.
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Answer 2 – 50
• What is the S phase?
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Question 3 - 10
• Mitosis is the division of the nucleus. This is the division of the cytoplasm.
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Answer 3 – 10
• What is cytokinesis?
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Question 3 - 20
• Mitosis occurs during this phase of the cell cycle.
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Answer 3 – 20
• What is M phase?
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Question 3 - 30
• This is the longest phase of mitosis. Chromosomes condense, the nuclear envelope disappears and the centrioles form a spindle across the cell.
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Answer 3 – 30
• What is prophase?
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Question 3 - 40
• During this phase, the sister chromatids split, becoming two individual chromosomes. They begin to move to opposite ends of the cell.
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Answer 3 – 40
• What is anaphase?
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Question 3 - 50
• Cytokinesis usually happens at the same time as this phase of mitosis
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Answer 3 – 50
• What is telophase?
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Question 4 - 10
• Cytokinesis is the division of the cytoplasm. This is the division of the nucleus.
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Answer 4 – 10
• What is mitosis?
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Question 4 - 20
• This is the acronym for the four phases of mitosis.
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Answer 4 – 20
• What is PMAT?
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Question 4 - 30
• During this phase, the sister chromatids line up across the center of the cell and their centromeres attach to the spindle.
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Answer 4 – 30
• What is metaphase?
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Question 4 - 40
• During this phase, the spindle disappears nuclear envelopes re-form around the two new sets of chromosomes.
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Answer 4 – 40
• What is telophase?
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Question 4 - 50
• During cytokinesis, animal cell membranes simply draw in and pinch off, creating two new cells. However, in plant cells, this structure forms as a precursor to the cell wall.
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Answer 4 – 50
• What is the cell plate?
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Question 5 - 10
• Uncontrolled cell growth can cause this disease?
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Answer 5 – 10
• What is cancer?
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Question 5 - 20
• This is a form of cancer treatment where toxic chemicals are used to alter the cell cycle of cancerous cells.
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Answer 5 – 20
• What is chemotherapy?
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Question 5 - 30
• There are two types of cyclin drugs. Internal regulators respond to events inside the cell while these respond to signals outside the cell.
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Answer 5 – 30
• What are external regulators?
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Question 5 - 40
• When functioning properly, this gene is in charge of pausing cell division until all DNA is properly copied.
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Answer 5 – 40
• What is the p53 gene?
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Question 5 - 50
• Cyclins are a family of proteins that regulate the timing of the cell cycle. When injected into non-dividing cells, the cells will then do this
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Answer 5 – 50
• What is divide?