Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 8.5, Problem 1TYK
Summary Introduction
Introduction:
Cell division is the process by which the cells of a living organism multiply and increase in number and mass. It is divided into different phases depending upon the changes that the chromosomes undergo and the production of daughter cells at the end of cytokinesis.
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receptor tyrosine kinases:
doesn't use g proteins
interact with water soluble hormones
regulate cell growth
all
A G-protein is active when:
It is phosphorylated by protein kinase
Ca2+ is bound to it
OGTP is bound to it
It is bound by its ligand and transported to
the nucleus
When CAMP is formed, it will activate:
Match the G-protein with the action it causes:
OPTIONS ARE (Gi , Gq, Gs)
1.Activates phospholipase C (PLC)
2.Activates Ca2+ channels
3.Inhibits Ca2+ channels
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Chapter 8 Solutions
Principles of Biology
Ch. 8.1 - What is the signaling molecule in this example?Ch. 8.1 - Prob. 2CCCh. 8.1 - Prob. 3CCCh. 8.1 - A general reason for cell signaling is to respond...Ch. 8.1 - Prob. 2TYKCh. 8.1 - Prob. 3TYKCh. 8.2 - Prob. 1BCCh. 8.2 - Prob. 1TYKCh. 8.2 - Prob. 2TYKCh. 8.3 - Prob. 1CC
Ch. 8.3 - What has to happen for the a and subunits of the...Ch. 8.3 - Prob. 1TYKCh. 8.3 - After a G-protein-coupled receptor is activated,...Ch. 8.4 - Prob. 1TYKCh. 8.5 - Look ahead to Figures 13.9 and, in particular,...Ch. 8.5 - Prob. 1TYKCh. 8.5 - Prob. 2TYKCh. 8.6 - Prob. 1CCCh. 8.6 - Prob. 2CCCh. 8.6 - Prob. 3CCCh. 8.6 - Prob. 1TYKCh. 8.6 - Prob. 2TYKCh. 8 - Prob. 1TYCh. 8 - Prob. 2TYCh. 8 - Prob. 3TYCh. 8 - Prob. 4TYCh. 8 - Which of the following is not an example of a cell...Ch. 8 - Prob. 6TYCh. 8 - The EGF receptor functions as a receptor tyrosine...Ch. 8 - Prob. 8TYCh. 8 - Prob. 9TYCh. 8 - The benefit of second messengers in signal...Ch. 8 - Prob. 1CCQCh. 8 - Prob. 2CCQCh. 8 - Prob. 3CCQCh. 8 - Discuss and compare several different types of...Ch. 8 - Prob. 2CBQ
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- Which of the following could result in the continuous activation of a cell signalling pathway? A mutation resulting in the inactivation of a protein phosphatase. A mutation resulting in the inactivation of adenylyl cyclase that forms cAMP. A mutation resulting in a receptor tyrosine kinase being unable to form a dimer. A mutation resulting in a ligand gated ion channel being unable to open.arrow_forwardThe t-SNARE proteins are anchored to what component of the axon terminal region? The neurotransmitter-filled vesicles The extrasynaptic region The active zone The voltage-sensitive Ca2+ channelsarrow_forwardChoose 1 or more than 1 Which of the following statements applies to G proteins? G protein-coupled receptors transduce signal from outside to inside the cell. G proteins are in the Golgi apparatus as indicated by their name. G proteins have a similar structure. G proteins activate transduction cascades leading to cell responses. G proteins are the targets of medicinal drugs..arrow_forward
- When glucose is low and CAMP is present, CAMP's role is to O Activate catabolite activator protein (CAP) Activate RNA Polymerase Activate the repressor Deactivate the repressorarrow_forwardurgntarrow_forwardWhat is the ultimate response to a cell-cell signal? (select all that apply) gene expression can be triggered a signal is transduced a signal is amplified a target protein can be activatedarrow_forward
- give the basics of a disease and its relationship to a faulty signal transduction pathway. Describe some of these diseases in the table below:arrow_forwardCalmodulin, protein kinase C, and arrestin can be activated by which second messenger? IP3 DAG cAMP Calcium cGMParrow_forwardWhich of the following is a correct functional match for CGMP? A Opens calcium ion channels Smooth muscle relaxation Formation of CAMP from ATP Activates protein kinase C Binds to calmodulinarrow_forward
- Which of the following is True about the STAT signaling cascade? O It amplifies signal for TGF-B family of Growth Factors O It amplifies signal for cytokine receptors O It amplifies signal for receptor tyrosine kinases O It amplifies the signal for Notcharrow_forwardWhich of the following is true of signal transduction mediated by protein tyrosine kinases production of cAMP phosphoinositides are activated arrestins compete with G-proteins phosphorylation of tyrosine residuesarrow_forwardWhich of the following signal transduction pathways is most commonly associated with the developmental processes of anterior posterior limb polarity, digestive system specification, axis formation, and ventralization of the neural tube? FGF family Wnt family Notch-Delta signaling Hedgehog family TGF-B superfamilyarrow_forward
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