Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 4.7, Problem 1CC
Summary Introduction
To determine: The reason behind incomplete synthesis of a protein in cytosol which is destined for ER.
Introduction: Every organelle present in a cell performs a specific function. Short amino acid sequences responsible for directing proteins to their location are known as sorting signals. A specific cellular component recognizes its corresponding sorting signal and the protein carrying that signal is redirected to its correct location.
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Chapter 4 Solutions
Biology
Ch. 4.1 - What properties of deep-sea vents made them...Ch. 4.1 - Which protobiont seems most similar to todays...Ch. 4.1 - Core Skill: Connections Look back at Figure 3.11....Ch. 4.1 - Prob. 3CCCh. 4.2 - Prob. 1CCCh. 4.2 - Prob. 2CCCh. 4.3 - Prob. 1CSCh. 4.3 - Prob. 1CCCh. 4.3 - Prob. 2CSCh. 4.4 - Prob. 1CS
Ch. 4.4 - Describe the type of movements that occur between...Ch. 4.4 - Prob. 2CSCh. 4.5 - Prob. 1CCCh. 4.5 - Prob. 1CSCh. 4.5 - If we consider the Golgi apparatus as three...Ch. 4.5 - The Nucleus and Endomembrane System Experimental...Ch. 4.5 - Prob. 2EQCh. 4.5 - Prob. 3EQCh. 4.5 - Prob. 3CCCh. 4.6 - Prob. 1CCCh. 4.6 - Core Skill: Connections Look ahead to Figure...Ch. 4.7 - Prob. 1CCCh. 4.7 - Prob. 2CCCh. 4 - The cell theory states that a. all living things...Ch. 4 - Prob. 2TYCh. 4 - Prob. 3TYCh. 4 - Prob. 4TYCh. 4 - Each of the following is part of the endomembrane...Ch. 4 - Prob. 6TYCh. 4 - Functions of the smooth endoplasmic reticulum...Ch. 4 - Prob. 8TYCh. 4 - Prob. 9TYCh. 4 - Which of the following observations would not be...Ch. 4 - What are the four stages that led to the origin of...Ch. 4 - Explain how motor proteins and cytoskeletal...Ch. 4 - Prob. 3CQCh. 4 - Discuss the roles of the genome and proteome in...Ch. 4 - Prob. 2COQ
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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
- What is the energy source that powers the cotranslational movement of proteins across the endoplasmic reticulum?arrow_forwardAutophagy is an évolutionary conserved catabolic process devoted to the degradation of intracellular components. Which of the following would you observe during autophagy? Select all that apply MTOR inhibition through phosphorylation and activation of TSC proteins MTOR activation and phosphorylation of downstream target proteins Increased expression of Rab7 which mediates lysosomal fusion Acute inflammatory responsearrow_forwardExplain the steps associated with translocation of ER proteins across the ER membrane.arrow_forward
- Mutations in the ribosomal protein gene RPS19 have been found to be associated with Diamond-Blackfan anemia (DBA), a rare syndrome that disrupts erythropoiesis, the process by which new red blood cells are produced. Which of the following provides the most likely explanation for the connection between a mutation in RPS19 and a disruption in erythropoiesis? A B с D The ribosomes in the cell are unable to package and transfer the components that are required for erythropoiesis. The ribosomes in the cell are unable to facilitate the movement of nutrients that are re- quired for erythropoiesis across the cell membrane. The ribosomes in the cell are unable to correctly synthesize the proteins that are re- sponsible for erythropoiesis. The ribosomes in the cell are unable to effectively produce the ATP that is required for erythropoiesis.arrow_forwardWhat would happen if an ER signal sequence was attached to a cytosolic protein?arrow_forwardWhat would be the expected effect of attaching an ER signal sequence to a cytosolic protein?arrow_forward
- What is the molecular mechanism that retains SCAP–SREBP in the ER when cholesterol is present but allows movement to the Golgi complex when cholesterol concentration is low?arrow_forwardWhich levels of regulation are utilized by both prokaryotic and eukaryotic cells/organisms? Which levels of regulation are unique to eukaryotic cells and why?arrow_forwardIf membrane proteins are integrated into the ER membrane by means of the ER protein translocator (which is itself composed of membrane proteins), how do the first protein translocation channels become incorporated into the ER membrane?arrow_forward
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