Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 4, Problem 8TYU
All of the following are true of integrins except (a) they are receptor proteins (b) they help organize the cytoskeleton (c) they are part of the ECM (d) they are important in cell signaling (e) they are located in the plasma membrane
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Chapter 4 Solutions
Biology (MindTap Course List)
Ch. 4.1 - Prob. 1LOCh. 4.1 - Relate the organizational similarities of all...Ch. 4.1 - Prob. 3LOCh. 4.1 - Prob. 1CCh. 4.1 - PREDICT Could a cell function if it were not...Ch. 4.1 - Prob. 3CCh. 4.1 - What convenient form of chemical energy is used by...Ch. 4.1 - Why is the relationship between surface area and...Ch. 4.2 - Prob. 4LOCh. 4.2 - Prob. 1C
Ch. 4.2 - What are the advantages of using many varied...Ch. 4.3 - Prob. 5LOCh. 4.3 - Prob. 6LOCh. 4.3 - What features do prokaryotic and eukaryotic cells...Ch. 4.3 - Prob. 2CCh. 4.3 - In what ways do membrane-enclosed organelles...Ch. 4.4 - Prob. 7LOCh. 4.4 - Prob. 1CCh. 4.4 - In what ways is transport through the nuclear...Ch. 4.4 - Prob. 3CCh. 4.5 - Distinguish between smooth and rough endoplasmic...Ch. 4.5 - Trace the path of proteins synthesized in the...Ch. 4.5 - Compare the functions of lysosomes, vacuoles, and...Ch. 4.5 - Prob. 11LOCh. 4.5 - Prob. 1CCh. 4.5 - Prob. 2CCh. 4.5 - Prob. 3CCh. 4.5 - Prob. 4CCh. 4.6 - Prob. 12LOCh. 4.6 - Relate the structure of cilia and flagella to...Ch. 4.6 - In what ways do the functions of the cytoskeleton...Ch. 4.6 - How are microfilaments and microtubules similar?...Ch. 4.6 - Prob. 3CCh. 4.7 - Compare the roles of the glycocalyx, extracellular...Ch. 4.7 - Prob. 1CCh. 4.7 - Prob. 2CCh. 4 - Which of the following is the most fundamental...Ch. 4 - Prob. 2TYUCh. 4 - Know and Comprehend 3. Which of the following...Ch. 4 - Which of the following would you expect to find...Ch. 4 - Select the sequence that most accurately describes...Ch. 4 - Prob. 6TYUCh. 4 - Microtubules (a) have constant diameters, but vary...Ch. 4 - All of the following are true of integrins except...Ch. 4 - Prob. 9TYUCh. 4 - Prob. 10TYUCh. 4 - Why does a eukaryotic cell need both membranous...Ch. 4 - INTERPRET data An investigator has isolated two...Ch. 4 - EVOLUTION LINK What types of similarities in cell...Ch. 4 - Prob. 14TYU
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- The activation of a membrane integrin by the binding of its cytoplasmic portion to molecules in the cytoplasm and the resultant increase in its affinity for an extracellular ligand is called ________. a) inside-out signalingb) outside-in signalingc) right-side-out signalingd) simple signalinge) integrinationarrow_forwardBased on studies, synaptotagmin is a crucial protein anchored to the vesicle and it is activated by binding to a) A RIM-BP protein anchore b) phosphorylation c) A SNAP-25 complex d) five Ca2+ via its C2A and C2B domainsarrow_forwardWhich of the following statements is false? Question 11 options: a) Nucleotides and amino acids can act as extracellular signal molecules. b) Some signal molecules can bind directly to intracellular proteins that bind DNA and regulate gene transcription. c) Some signal molecules are transmembrane proteins. d) Dissolved gases such as nitric oxide (NO) can act as signal molecules, but because they cannot interact with proteins they must act by affecting membrane lipids.arrow_forward
- When the inhibitory Ga (Gia) protein is mutated and increases its intrinsic GTPase activity, a) Adenylate cyclase become more active b) Gia becomes more active c) Both a and b d) Neither a or barrow_forward12. Which statement regarding cell-surface receptors is correct? A) lon-channel-coupled receptors alter the membrane potential directly by changing the permeability of the plasma membrane. B) G-protein-coupled receptors are polypeptides with seven transmembrane domains. C) After binding their ligand, G-protein-coupled receptors interact with intracellular GTP-binding proteins, later initiating signal transduction events. D) All of the above E) None of the above Answer: Explanation:arrow_forwardG Protein-Coupled Receptors: a) Are 7 transmembrane receptors. b) Activate heterotrimeric G proteins c) Activate small G proteins O d) A and B are both correct. e) A and C are both correct.arrow_forward
- Which of the following are the common features for both adenylate cyclase and guanylyl cyclase? a) Both enzymes are integral membrane proteins b) The products produced by both enzymes acts as a second messenger c) Both a and b d) Neither a or barrow_forwardFarnesylation of ras allows it to: a.) be tethered to the plasma membrane. b.) be an integral membrane protein c.) be a soluble protein d.) reveal a nuclear localization signalarrow_forwardComparing cells synthesizing secretory proteins and cells secreting steroid hormones, the cells synthesizing the steroid hormones have: A) more rough ER. B) more smooth ER C) equal amounts of smooth and rough ER D) equal amounts of smooth and rough ER, but more lysosomes. E) equal amounts of smooth and rough ER, but fewer lysosomes.arrow_forward
- The p75 receptor differs from Trk receptors in that it a) can promote cell death. b) has high affinity for all neurotrophins. c) only binds a particular type of neurotrophin. d) can bind NGF to promote cell survival.arrow_forwardSignaling by tyrosine kinase receptors is generally associated with all of the following except: OA) receptor dimerization B) growth factor responses C) heterotrimeric G proteins OD) cross phosphorylation E) generating protein binding sites due to phosphorylationarrow_forwardThe K+ channel is an example of a transmembrane protein (a protein that spans the phospholipid bilayer of the plasma membrane). What types of amino acids are likely to be found (a) lining the channel through which K+ passes, (b) in contact with the hydrophobic core of the phospholipid bilayer con- taining fatty acyl groups, (c) in the cytosolic domain of the protein, and (d) in the extracellular domain of the protein?arrow_forward
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