Campbell Biology in Focus
3rd Edition
ISBN: 9780134710679
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Rebecca Orr
Publisher: PEARSON
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Chapter 14.4, Problem 3CC
Describe how a polypeptide to be secreted is transported to the endomembrane system.
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Describe how a polypeptide to be secreted reaches theendomembrane system.
Name three possible routes for a substance to be degraded by the lysosome
Ribosomes in the cytoplasm capture mRNA that can be translated into an enzyme for the lysosome. a) Explain what happens from the time the enzyme begins to form in the cytoplasm until it ends up in the lysosome and also explains how the enzyme is transported to the lysosome?
Chapter 14 Solutions
Campbell Biology in Focus
Ch. 14.1 - MAKE CONNECTIONS In a research article about...Ch. 14.1 - What polypeptide product would you expect from a...Ch. 14.1 - DRAW IT The template strand of a gene contains the...Ch. 14.2 - What is a promoter? Is it located at the upstream...Ch. 14.2 - What enables RNA polymerase to start transcribing...Ch. 14.2 - WHAT IF? Suppose X-rays caused a sequence change...Ch. 14.3 - Given that there are about 20,000 human genes, how...Ch. 14.3 - How is RNA splicing similar to how you would watch...Ch. 14.3 - WHAT IF? What would be the effect of treating...Ch. 14.4 - What two processes ensure that the correct amino...
Ch. 14.4 - Discuss the ways in which rRNA structure likely...Ch. 14.4 - Describe how a polypeptide to be secreted is...Ch. 14.4 - WHAT IF? DRAW IT Draw a tRNA with the anticodon...Ch. 14.5 - What happens when one nucleotide pair is lost from...Ch. 14.5 - Prob. 2CCCh. 14.5 - WHAT IF? DRAW IT The template strand of a gene...Ch. 14 - In eukaryotic cells, transcription cannot begin...Ch. 14 - Prob. 2TYUCh. 14 - The anticodon of a particular tRNA molecule is A....Ch. 14 - Prob. 4TYUCh. 14 - Which component is not directly involved in...Ch. 14 - Prob. 6TYUCh. 14 - Prob. 7TYUCh. 14 - Prob. 8TYUCh. 14 - Prob. 9TYUCh. 14 - SCIENTIFIC INQUIRY Knowing that the genetic code...Ch. 14 - Prob. 11TYUCh. 14 - FOCUS ON INFORMATION Evolution accounts for the...Ch. 14 - SYNTHESIZE YOUR KNOWLEDGE Some mutations result in...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- List three potential organelle destinations for a free ribosome (cytosolic-produced) protein via transmembrane protein translocation:arrow_forwardDescribe the steps that occur during the cotranslational sorting ofproteins to the endoplasmic reticulumarrow_forwardUsing the the enzyme acid hydrolase in the lysosome: What is the final destination in which the protein will function? Which features will the protein receive during its manufacture? What is the primary structure (general)? Where is the primary structure made? Where are the secondary and tertiary structures made? Will the protein travel through any organelles during its manufacture? Which ones? What would be the overall result if some part of the manufacture process went wrong, such that the protein ended up as nonfunctional?arrow_forward
- Describe how proteins enter the endomembrane system through the endoplasmic reticulum, are next sorted by the Golgi Apparatus and how they are targeted and delivered to their final destination (lysosomes, plasma membrane, E.R., etc.)arrow_forwardThe trans-Golgi network is the site of multiple sorting processes as proteins and lipids exit the Golgi complex. Compare and contrast the sorting of proteins to lysosomes with the packaging of proteins into regulated secretory vesicles such as those containing insulin. Compare and contrast the sorting of proteins to the basolateral versus apical cell surfaces in MDCK cells and in hepatocytes.arrow_forwardIs adenylate cyclase a transmembrane protein or a peripheralprotein? What about the G protein?arrow_forward
- Proteins destined for which of the following destinations are transported through vesicles/the Endomembrane system? (i.e. not transported via post-translational import)arrow_forwardThe figure above shows the organization of a protein that will eventually reside in the plasma membrane. The boxes labeled 1 and 2 represent membrane-spanning sequences and the arrow represents a site of action of signal peptidase. Which of the following statements must be TRUE about this protein? O a) Most of this protein will project from the cytosolic side of the membrane. O b) The mature version of this protein will span the membrane twice. c) This is a multi-pass membrane protein. O d) The mature version of this protein will span the membrane once.arrow_forwardCargo proteins are transported through the Golgi apparatus to the trans-Golgi network, where they are sorted into various vesicles that are targeted to different destinations. What is the role of vesicles in -cargo protein transport through the Golgi apparatus?arrow_forward
- Briefly explain how the membrane composition of the Golgi apparatus but not that of the ER is capable of sorting transmembrane proteins.arrow_forwardWhat molecule in the cell is the first to recognize the signal peptide as it is translated by the ribosome?arrow_forwardWhat four components are required for the translocation of proteins across the endoplasmic reticulum membrane?arrow_forward
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