EBK CAMPBELL BIOLOGY
11th Edition
ISBN: 8220103613828
Author: Reece
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 11.3CR
What is the difference between a protein kinase and a second messenger? Can both operate in the same signal transduction pathway?
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What is the difference between a protein kinase and a secondmessenger? Can both operate in the same signal transduction pathway?
What is a protein kinase, and what is its role in a signaltransduction pathway?
What is the function of a protein kinase? What amino acids are often phosphorylated by kinases?
Chapter 11 Solutions
EBK CAMPBELL BIOLOGY
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. 11.3 - 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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- Compare the three kinases - PKA, PKC, and CaMKinase II in terms of activation. What is the initial signal that activates them, what components are part of the kinase, and how does the structure modify when activated?arrow_forwardWhat would be the effect of inhibiting the kinase?arrow_forwardWhat is the main benefit of cell signaling via direct physical contact and cell signaling over short distances (ex: nerve cell signaling)?arrow_forward
- What is the benefit of using second messengers and phosphorylation cascades during the transduction step of cell signaling?arrow_forwardWhat happens when cAMP binds to the kinase?arrow_forwardWhat is a signal-transduction pathway? Why are mutations in components of signal-transduction pathways often associated with cancer?arrow_forward
- a) b) You walk into university and see that everyone has become a unicorn. You try to hide in bluezone only to figure out that everyone can sense you. You are kidnapped by a unicorn, and they ask you: "How do kinases work?" You wake up realizing it was all a dream, but you still wonder: how do kinases work? Hydrolyze the protein and then ATP to activate it First hydrolyze ATP and then transfer Pi to activate a protein Tranfer a free Pi and then hydrolyze ATP to make more free Pi Bind GTP after releasing GDP from the alpha subunitarrow_forwardHow is an extracellular signal converted to an intracellular signal in signal transduction? Give a specific example.arrow_forwardHow do Signal transduction pathways differ between lipid-solubleand water-soluble messengers?arrow_forward
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