The Bax protein, thus Select one: apoptosis. a. none of the above b. inhibits caspase activity, increasing c. promotes caspase activity, increasing d. inhibits caspase activity, decreasing e, promotes caspase activity, decreasing

The Bax protein, thus Select one: apoptosis. a. none of the above b. inhibits caspase activity, increasing c. promotes caspase activity, increasing d. inhibits caspase activity, decreasing e, promotes caspase activity, decreasing

Name: The Bax protein thus apoptosis.Select one:a. none of the aboveb. inhi
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Description: The Bax protein thus apoptosis.Select one:a. none of the aboveb. inhibits caspase activity, increasingc. promotes caspase activity, increasingd. inhibits caspase activity, decreasinge, promotes caspase activity, decreasing

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter9: Cell Communication

Section: Chapter Questions

Problem 2VCQ: Figure 9.10 In certain cancers, the GTPase activity of the RAS G-protein is inhibited. This means...

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The Bax protein _____, thus _____ apoptosis. Select one: a. none of the above b. promotes caspase activity, increasing c. inhibits caspase activity, decreasing d. promotes caspase activity, decreasing e. inhibits caspase activity, increasing Clear my choice
Pathway analysis: Link the protein names to the correct statements by interrogating the depicted pathway. Options: A. RTK Receptor Threonine Kinase B. GEF Guanidine Exchange Factor C. PLC Phospholipase C D. GAP GTPase Activating Protein E. Gαi F. Raf Rapidly Accelerated Fibrosarcoma G. PAK1 p21 Activated Kinase H. WASP Wiscott Aldrich syndrome protein I. RTK Receptor Tyrosine Kinase J. GPCR G-protein Coupled Receptor K. Steroid Receptor L. Phosphatase M. MEK1 (Mitogen-Activated Protein) Kinase/ERK (Extracellular Signal-Regulated Kinase) Kinase 1 N. AC Adenylyl cyclase O. IP3R IP3 Receptor P. ERK1/2 Extracellular Signal-Regulated Kinase
A. Signal transduction in cells can happen in two fundamental ways once a signal arrives at the cell membrane. Using diagrams to aid your explanations, compare these two different types of signal transduction and explain why they occur differently. How is the signal amplified and briefly describe the kinds of cell responses (at least 4) that can occur in cells.
Activation of the enzyme protein kinase C results from the binding of (select all that apply): OGq protein Ca²+ DAG IP 3 PIP2 Save for Later
Part A (Short Response): You are developing a TGF-β agonist, but you don’t yet know which specific proteins it is signaling through. You want to do a single Western blot to measure changes in signaling activity, regardless of which pathway is being activated. For which protein involved in these pathways could you measure the levels in the nucleus of cells and be confident in your results? Why? This part was already posted on chegg, but I didn't understand the answer. I need a thorough explanation, so I can fully understand. Part B (Short Response): There have been many attempts to block TGF-β signaling in cancer through many different mechanisms, but none of been very successful. Why do you think this is? I know they have gotten close to being successful, but I don't know what preventing their success.
ras GDP ras ras P.P P.P GTP raf Inactive Active raf Inside of cell Refer to the figure above. A portion of a signal transduction pathway is shown in the figure. The molecule raf is a protein kinase. This molecule becomes activated when a GTP-ras complex binds to it. Which equation describes how activated raf transmits the signal in this pathway? O ATP. --> CAMP +PPi O CAMP --> AMP Inactive enzyme + ATP --> active phosphorylated enzyme + ADP O Inactive phosphorylated enzyme + ADP --> inactive enzyme + ATP Inactive enzyme + ADP --> active phosphorylated enzyme + ATP Assessment Navigator Submit Questionmark Ondemand licensed to University of Dundee PPIP
GTP binding proteins are molecular switches. How do GTP binding proteins work? Provide two examples of GTP binding proteins that function in intracellular protein transport. Make a drawing that illustrates the function of each of these proteins in their respective roles. Predict the direct outcome of a mutation that: Inhibits GTPase activity Inhibits interaction with the GEF
Figure 9.8 HER2 is a receptor tyrosine kinase. In 30 percent of human breast cancers, HER2 is permanently activated, resulting in unregulated cell division. Lapatinib, a drug used to treat breast cancer, inhibits HER2 receptor tyrosine kinase autophosphorylation (the process by which the receptor adds phosphates onto itself), thus reducing tumor growth by 50 percent. Besides autophosphorylation, which of the following steps would be inhibited by Lapatinib? Signaling molecule binding, dimerization, and the downstream cellular response. Dimerization, and the downstream cellular response. The downstream cellular response. Phosphatase activity, dimerization, and the downsteam cellular response.
Calcium ions (a) can act as second messengers (b) split calmodulin (c) are kept at higher concentration in the cytosol than in the extracellular fluid (d) are produced in the ER by protein kinases and protein phosphatases (e) typically terminate signaling cascades
. Leukemia is a neoplastic (cancerous) proliferation of white blood cells. Clinicians are currently testing deoxycoformycin, an adenosine deaminase inhibitor, as a possible antileukemic agent. Why might one expect this therapy to be effective?
Ras activation can activate O MAP kinase O Protein kinase B Phospholipase C O Two of the above O All of the above
Outside of cell not GTP Activated G protein Inside of cell 7.In the figure above, part of the signal transduction mechanism common to G protein- linked receptors is shown. Of the steps in this pathway, select the step that will occur next. a. Extracellular signal binds to the receptor. b. Signal binding to receptor causes a change in shape in the receptor. c. GTP bound to the G protein is exchanged for GDP. d. Activated G protein subunit binds to effector protein. e. Activated cellular enzymes catalyze the formation of products, effectively amplifying the signal inside the cell.