Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 9, Problem 2ITD
Summary Introduction
To review:
The organelle in which amount of CFTR protein is closest in normal and mutant cells.
Introduction:
Lungs and
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Chapter 9 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 9.1 - What accounts for the specificity of a cellular...Ch. 9.2 - Prob. 1SBCh. 9.2 - Prob. 2SBCh. 9.3 - Prob. 1SBCh. 9.3 - Prob. 2SBCh. 9.3 - Prob. 3SBCh. 9.3 - Prob. 4SBCh. 9.3 - Prob. 5SBCh. 9.3 - Prob. 6SBCh. 9.4 - What distinguishes a steroid receptor from a...
Ch. 9.4 - By what means does a specific steroid hormone...Ch. 9.5 - Prob. 1SBCh. 9 - In signal transduction, which of the following is...Ch. 9 - Which of the following could not elicit a signal...Ch. 9 - A cell that responds to a signaling molecule is...Ch. 9 - Prob. 4TYKCh. 9 - Prob. 5TYKCh. 9 - Which of the following is incorrect about pathways...Ch. 9 - Which of the following would not inhibit signal...Ch. 9 - Prob. 8TYKCh. 9 - Prob. 9TYKCh. 9 - Prob. 10TYKCh. 9 - Discuss Concepts Describe the possible ways in...Ch. 9 - Discuss Concepts Is providing extra insulin an...Ch. 9 - Discuss Concepts There are molecules called GTP...Ch. 9 - Discuss Concepts Why do you suppose cells evolved...Ch. 9 - How would you set up an experiment to determine...Ch. 9 - Prob. 16TYKCh. 9 - Prob. 1ITDCh. 9 - Prob. 2ITDCh. 9 - Prob. 3ITD
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- The rigidity of the plasma membrane is an essential characteristic that allows for cells to survive and thrive in various environments. What are examples of conditions or molecules that can alter plasma membrane rigidity?arrow_forwardWhy 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?arrow_forwardWhich of the following best describes an integral membrane protein? A.A protein that has an extracellular domain, a membrane-spanning domain that spans the lipid bilayer of the plasma membrane, and an intracellular domain. B.A protein that peripherally associates with the membrane via ionic interactions another protein embedded in the membrane. C.A protein that is soluble in the cytoplasm. D.A protein that peripherally associates with the membrane via ionic interactions between polar charged amino acids and the polar head groups of the phospholipids in the membrane.arrow_forward
- Proteins in the plasma membrane are often the target of medicines.Discuss why you think this is the case. How would you determineexperimentally that a specific membrane protein was the target of adrug?arrow_forwardWhy do cancer cells treated with vitamin E succinate appear to be more vulnerable to rupture of their lysosomal membranes (and subsequent apoptosis) than normal cells? A. cancer cells often have an alkaline cytosol, which destabilizes the acidic lysosomes B. cancer cells often have an alkaline cytosol, which destabilizes the alkaline lysosomes C. cancer cells often have an acidic cytosol, which destabilizes the acidic lysosomes D. cancer cells often have an acidic cytosol, which destabilizes the alkaline lysosomes E. all of the abovearrow_forwardWhen fluorescein-dyed human proteins were first mixed with rhodamine-dyed mouse proteins (in mouse/human hybrid cell fusions carried out in the 1970s), these proteins appeared to exhibit: restricted movement, based on confinement by diffusion barriers restricted movement, based on tethering to extracellular molecules unrestricted movement, similar to membrane phospholipids restricted movement, based on anchoring to intracellular proteins restricted movement, based on attachment to other cellsarrow_forward
- Gap junctions between cells allow direct contact of the cytoplasm between neighboring cells. What kind of cells might you find these in and how do they facilitate the function of these cells?arrow_forwardWhich of the following would be most likely to interfere with the proper insertion of a protein into the plasma membrane? Select the best answer. Options: The switch of a polar amino acid to a non-polar in a transmembrane region of the protein. The switch of a non-polar amino acid to a polar in a transmembrane region of the protein. The switch of a non-polar amino acid to a polar in a cytoplasmic region of the protein. The switch of a polar amino acid to a non-polar in a cytoplasmic region of the protein.arrow_forwardThe primary function of the kidney is to exchange molecules across a membrane between the blood and the urine. One type of kidney cell has a basic rectangular shape, except for a single surface, which is lined with tiny, finger-like projections that extend into the surrounding extracellular space. Which of the following best explains the advantage these projections provide the cell? The projections increase the selectivity of the membrane because the small size of the projections limits the number of transport proteins that can be embedded in the membrane. The projections increase the volume of the cell without affecting the surface area, which increases the metabolic needs of the cell. The projections increase the surface area–to-volume ratio of the cell, which allows for more efficient nutrient exchange with the environment. The projections increase the speed at which an individual molecule can move,…arrow_forward
- How long is a typical transmembrane domain, and what is the chemical composition of the amino acids found within the transmembrane domain of a single-spanning integral membrane protein? A~ 20 amino acids; hydrophobic amino acidsB~ 100 amino acids, amphipathic amino acidsC~ 10 amino acids; polar, charged amino acids D~ 50 amino acids, polar, uncharged amino acidsarrow_forwardWhich of these structures would you expect to find as part of the transmembrane portion of an integral membrane protein? Structure B would be part of the transmembrane domain of an integral membrane protein. Structure C would be part of the transmembrane domain of an integral membrane protein. Structure A would be part of the transmembrane domain of an integral membrane protein.arrow_forwardWhich is the definition of 'retrograde' with respect to membrane trafficking? movement from the endosome to the lysosome movement from the ER to the Golgi to either the plasma membrane or the endosome/lysosome movement from the cytoplasm to the nucleus movement from the Golgi to the ERarrow_forward
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