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QUESTION 18 proteins carry out/initiate the events of apoptosis QUESTION 19 This protein involved in oxidative phosphorylation during cellular respiration is released to the cytoplasm during intrinsic apoptosis (not caused by extracellular signals). QUESTION 20 Your answer to #19, an adaptor protein, and pro-caspase 9 form the

QUESTION 18 proteins carry out/initiate the events of apoptosis QUESTION 19 This protein involved in oxidative phosphorylation during cellular respiration is released to the cytoplasm during intrinsic apoptosis (not caused by extracellular signals). QUESTION 20 Your answer to #19, an adaptor protein, and pro-caspase 9 form the

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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QUESTION 17 Which of the following events describe the mechanism of a cell cycle checkpoint? (choose more than one if applicable) If you really want to challenge yourself, figure out which cell cycle checkpoint is described by each of your choices. Questions about this topic are commonly missed on the unit 3 exam! U A Cdk is phosphorylated, turning it off. This prevents the cell from entering the next phase before it is ready. A ubiquitin ligase is activated to target a Cdk for destruction. Since the Cdk is destroyed, it cannot be active and therefore cannot cause entry into the next phase of the cell cycle. A Cdk inhibitor protein is transcribed and translated when it otherwise wouldn't be, which turns off a Cdk and prevents the cell from entering the next phase before it's ready. A ubiquitin ligase is inhibited, preventing the proteolysis of proteins that must be destroyed in order for the cell to advance to the next step in the cell cycle. One of these proteins that is not destroyed is a cyclin, so the Cdk remains active when it shouldn't be. U A cyclin is destroyed after it is bound to the Cdk, which means the Cdk cannot be active. As a result, the cell cannot enter the next phase of the cell cycle before it is ready. QUESTION 18 proteins carry out/initiate the events of apoptosis QUESTION 19 This protein involved in oxidative phosphorylation during cellular respiration is released to the cytoplasm during intrinsic apoptosis (not caused by extracellular signals). QUESTION 20 Your answer to #19, an adaptor protein, and pro-caspase 9 form the QUESTION 21 Survival signals activate transcription of the gene. The resulting protein blocks apoptosis.
Transcribed Image Text:QUESTION 17 Which of the following events describe the mechanism of a cell cycle checkpoint? (choose more than one if applicable) If you really want to challenge yourself, figure out which cell cycle checkpoint is described by each of your choices. Questions about this topic are commonly missed on the unit 3 exam! U A Cdk is phosphorylated, turning it off. This prevents the cell from entering the next phase before it is ready. A ubiquitin ligase is activated to target a Cdk for destruction. Since the Cdk is destroyed, it cannot be active and therefore cannot cause entry into the next phase of the cell cycle. A Cdk inhibitor protein is transcribed and translated when it otherwise wouldn't be, which turns off a Cdk and prevents the cell from entering the next phase before it's ready. A ubiquitin ligase is inhibited, preventing the proteolysis of proteins that must be destroyed in order for the cell to advance to the next step in the cell cycle. One of these proteins that is not destroyed is a cyclin, so the Cdk remains active when it shouldn't be. U A cyclin is destroyed after it is bound to the Cdk, which means the Cdk cannot be active. As a result, the cell cannot enter the next phase of the cell cycle before it is ready. QUESTION 18 proteins carry out/initiate the events of apoptosis QUESTION 19 This protein involved in oxidative phosphorylation during cellular respiration is released to the cytoplasm during intrinsic apoptosis (not caused by extracellular signals). QUESTION 20 Your answer to #19, an adaptor protein, and pro-caspase 9 form the QUESTION 21 Survival signals activate transcription of the gene. The resulting protein blocks apoptosis.
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