CAMPBELL BIOLOGY W/MASTERINGBIO CODE >
16th Edition
ISBN: 9781323573457
Author: Campbell
Publisher: PEARSON C
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Chapter 11.3, Problem 4CC
WHAT IF? → If you exposed a cell to a ligand that binds to a receptor and activates phospholipase C, predict the effect the IP3-gated calcium Channel would have on Ca2+ concentration in the cytosol.
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Chapter 11 Solutions
CAMPBELL BIOLOGY W/MASTERINGBIO CODE >
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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- WHAT IF? Some membrane proteins diffuse faster in the plasma membrane when the cytoskeleton or the extracellular matrix is artificially removed than when cells are unperturbed. Explain why.arrow_forwardMAKE CONNECTIONSPDGF signals cells by binding toa cell-surface receptor tyrosinekinase. If you added a chemicalthat blocked phosphorylation,how would the results differ?(See Figure 11.8.)arrow_forwardWHAT IF? In Figure 18.17b, the lower cell is synthesizingsignaling molecules, whereas the upper cell is expressingreceptors for these molecules. In terms of gene regulationand cytoplasmic determinants, explain how these cellscame to synthesize different molecules.arrow_forward
- MAKE CONNECTIONS Explain why the set of forces driving ionmovement across the plasma membrane of a cell is described as anelectrochemical (electrical and chemical) gradient (see Concept 7.4).arrow_forwardFil in the blanks 1. A resting muscle fiber or neuron has an internal charge that is A. positive, B. negative, or C. neutral compared to the extracellular environment. This resting membrane charge is maintained by the A. calcium ion channels, B. sodium voltage gates, C. potassium voltage gates, or D. sodium/potassium pumps? . When a muscle fiber is at resting membrane potential there is a(an) "higher", "equal", OR "lower" concentration of sodium inside the cell compared to outside the cell and a(an) "higher", "lower", OR "equal" concentration of potassium inside the cell compared to outside.arrow_forwardWHAT IF? Suppose that instead of the PBDG receptor, the researchers hadused a receptor specific for a sweetener that humans crave but mice ignore.How would the results of the experiment have differed?arrow_forward
- Can I get help? Draw a schematic depicting how the cellular GTP:GDP concentration ratio facilitates the mechanism whereby GEFs induce G proteins to exchange GTP for GDP.arrow_forwardWHAT IF? What would happen if a molecule that inactivatedphosphodiesterase were introduced into the cell?arrow_forwardLigand binding of a (????) causes conformational changes in the receptor that free the associated G-protein to interact with other membrane proteins Voltage gated ion channel GPCR Ligand gated ion channel Ligandase porearrow_forward
- What is Anchorage Dependence? Describe the different Cell Junctions in Animal cells. What is the only Cell Junction in Plant cells? Why do Plant cells only have one type of Cell Junction? Explain Cell-Cell signaling involving Signal Transduction and G-Proteins.arrow_forwardFocus on the interaction of ATP with the kinase first. Would you say ATP binds on the surface of the kinase or in a cleft? What color are the phosphorus atoms? What color are the Mn2+ ions?Which part of ATP do the Mn2+ ions interact with?arrow_forwardQ4: Describe the structure of plasma membrane. Suggest the mechanism(s) by which each of the following substances is transported across cell membranes: a. CO2 b. Glucose c. C1– d. K+ e. Fat moleculesarrow_forward
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