Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 5TYU
Apoptosis involves all but which of the following?
(A) fragmentatlon of the DNA
(B) cell-signaling pathways
(C) lysis of tho cell
(D) digestion of cellular contents by scavenger cells
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Why do you think apoptosis occurs by a different mechanism from the cell death that occurs in necrosis? What might be the consequences if apoptosis were not achieved in such a neat and orderly fashion, whereby the cell destroys itself fron within and avoids leakage of its contents into the extracellular space?
(a) the cell cycle is divided into different phases (referred to as M, G0, G1, S and G2); Can you account for what happens during the different parts of the cycle and out of it is checked? ( b) What is the difference between apoptosis and necrosis? ( c) What are caspases and what is their function in the cell?
Cell division and apoptosis
a) The cell cycle is divided into different phases (named M, G0, G1, S and G2). Can you explain what happens during the different parts of the cycle and how to control it?
b) What is the difference between apoptosis and necrosis?
c) What are caspases and what is their function in the cell?
Chapter 11 Solutions
Campbell Biology (10th Edition)
Ch. 11.1 - Explain how signaling is involved in ensuring that...Ch. 11.1 - In liver cells, glycogen Phosphorylase acts in...Ch. 11.1 - Prob. 3CCCh. 11.2 - Nerve growth factor (NGF) is a water-soluble...Ch. 11.2 - WHAT IF? What would the effect be if a cell made...Ch. 11.2 - MAKE CONNECTIONS How is ligand binding similar to...Ch. 11.2 - Prob. 4CCCh. 11.3 - What is a protein kinase, and what is its role in...Ch. 11.3 - When a signal transduction pathway involves a...Ch. 11.3 - What is the actual signal that is being transduced...
Ch. 11.3 - WHAT IF? If you exposed a cell to a ligand that...Ch. 11.4 - How can a targct cell's response to a single...Ch. 11.4 - WHAT IF? If two cells have different scaffolding...Ch. 11.4 - Prob. 3CCCh. 11.5 - Give an example of apoptosis during embryonic...Ch. 11.5 - WH AT IF? If apoptosis occurred when it should...Ch. 11 - What determines whether a cell responds to a...Ch. 11 - How are the structures of a GPCR and an RTK...Ch. 11 - What is the difference between a protein kinase...Ch. 11 - What mechanisms in the cell terminale its response...Ch. 11 - What is an explanation for the similarities...Ch. 11 - Binding of a signaling molecule to which type of...Ch. 11 - The activation of receptor tyrosinc kinases is...Ch. 11 - Lipid-soluble signaling molecules, such as...Ch. 11 - Consider this pathway: epinephrine G...Ch. 11 - Apoptosis involves all but which of the following?...Ch. 11 - Which Observation suggestcd to Sutherland the...Ch. 11 - Protein phosphorylation is commonly involved with...Ch. 11 - DRAW IT Draw the following apoptotic pathway,...Ch. 11 - EVOLUTION CONNECTION Identify the evolutlonary...Ch. 11 - Prob. 10TYUCh. 11 - SCIENCE, TECHNOLOGY, AND SOCIETY The aging process...Ch. 11 - WRITE ABOUT A THEME: ORGANIZATION The properties...Ch. 11 - SYNTHESIZE YOUR KNOWLEDGE There are five basic...
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- Which of the following is not true about phagocytosis?(a) It is a form of exocytosis.(b) It is energy dependent.(c) It only occurs in eukaryotes.(d) A larger cell engulfs a smaller cell that will eventually bepresent in an internal vacuole.(e) It requires fusion of internal lysosomes to engulfed vac-uole for contents to be digestedarrow_forwardWhich of the following is an inhibitor of apoptosis? Question 3 options: a) Caspase b) cytochrome c c) Bcl-2 family d) p53arrow_forwardBiopsies from aggressive cancers often have cells that contain several nuclei per cell when viewed through a microscope. Which scenario could explain how such a multinucleated cell might have come to be? (a) The cell underwent repeated mitosis with simultaneous cytokinesis. (b) The cell had multiple S phases before it entered mitosis. (c) The cell underwent repeated mitosis, but cytokinesis did not occur. (d) The cell underwent repeated cytokinesis but no mitosis. (e) The cell actually went through meiosis and not mitosis.arrow_forward
- p53 can trigger apoptosis if certain cell-cycle events fail. How does this regulatory outcome benefit a multicellular organism?arrow_forwardDescribe two functions of apoptosis.arrow_forwardCells that die as the result of acute injury undergo O a) phagocytosis O b) necrosis O c) apoposis O d) executionarrow_forward
- Can the intrinsic pathway of apoptosis be influenced or regulated by extracellular factors? Discussarrow_forwardThe frog Xenopus laevis has often served as a model system for the study of apoptosis. Can you think of some reasons that frogs are particularly good models for the study of apoptosis?arrow_forwardIdentify which of the following statements is a lie? Select one: a. Apoptosis occurs as the body produces certain enzymes that initiate degradation of nuclear and cytoplasmic material, breaking the cell into necrosis bodies. b. Apoptosis helps maintain a healthy and normal population of cells. c. Apoptosis plays an essential role in growth, immune surveillance, and embryological development.arrow_forward
- Compare and contrast apoptosis and pyroptosis.arrow_forwardWhen some cancer cells produce growth factors that stimulate their own division leading to continuous self- stimulation for cell division it is referred to as a) TNF tumor necrosis factor b) AGS autocrine growth stimulationarrow_forwardAnswer #22arrow_forward
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Necrosis vs. Apoptosis: Cell Death; Author: AMBOSS: Medical Knowledge Distilled;https://www.youtube.com/watch?v=zFrBwGfOQs0;License: Standard Youtube License