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-Describe what takes place in the three phases of interphase. G1 phase cell growth, S phase DNA synthesis, G2 phase cell growth. -What are cell cycle checkpoints? To pause the cycle at certain transition points. Where are they found in the cell cycle? What do they check for? If DNA is damaged the cycle must be put on hold so the cell can repair the damaged disdis-How do Rb and p53 negatively regulate the cell cycle in G1? -Describe the events that occur in the initiation and elongation of DNA replication in S phase ( Be specific!)

-Describe what takes place in the three phases of interphase. G1 phase cell growth, S phase DNA synthesis, G2 phase cell growth. -What are cell cycle checkpoints? To pause the cycle at certain transition points. Where are they found in the cell cycle? What do they check for? If DNA is damaged the cycle must be put on hold so the cell can repair the damaged disdis-How do Rb and p53 negatively regulate the cell cycle in G1? -Describe the events that occur in the initiation and elongation of DNA replication in S phase ( Be specific!)

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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-Describe what takes place in the three phases of interphase. G1 phase cell growth, S phase DNA synthesis, G2 phase cell growth. -What are cell cycle checkpoints? To pause the cycle at certain transition points. Where are they found in the cell cycle? What do they check for? If DNA is damaged the cycle must be put on hold so the cell can repair the damaged disdis-How do Rb and p53 negatively regulate the cell cycle in G1? -Describe the events that occur in the initiation and elongation of DNA replication in S phase (Be specific!) -For each phase of mitosis, make sure you can describe the events that take place as well as the mechanism (i.e. from where to do microtubules form? How do they attach? What proteins are involved in chromosome condensation? Etc.)
Transcribed Image Text:-Describe what takes place in the three phases of interphase. G1 phase cell growth, S phase DNA synthesis, G2 phase cell growth. -What are cell cycle checkpoints? To pause the cycle at certain transition points. Where are they found in the cell cycle? What do they check for? If DNA is damaged the cycle must be put on hold so the cell can repair the damaged disdis-How do Rb and p53 negatively regulate the cell cycle in G1? -Describe the events that occur in the initiation and elongation of DNA replication in S phase (Be specific!) -For each phase of mitosis, make sure you can describe the events that take place as well as the mechanism (i.e. from where to do microtubules form? How do they attach? What proteins are involved in chromosome condensation? Etc.)
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