Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 12, Problem 12.1PS
Compartmentalization of Function. Each of the following processes is associated with one or more specific eukaryotic organelles. In each case, identify the organelle or organelles, and suggest one advantage of confining the process to the organelle or organelles.
(a) β oxidation of long-chain fatty acids
(b) Biosynthesis of cholesterol
(c) Biosynthesis of insulin
(d) Biosynthesis of testosterone or estrogen
(e) Degradation of damaged organelles
(f) Glycosylation of membrane proteins
(g) Hydroxylation of phenobarbital
(h) Sorting of lysosomal proteins from secretory proteins
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memb
k₁
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Please help me with this question. More than one answer may be correct.
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B)
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C)
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Chapter 12 Solutions
Becker's World of the Cell (9th Edition)
Ch. 12 - How do differences in the structure and...Ch. 12 - Why is it necessary for material flowing through...Ch. 12 - What problems would you likely see in cells...Ch. 12 - What features of membrane lipids and proteins...Ch. 12 - Based on what you learned in this chapter about...Ch. 12 - How would an inhibitor of membrane fusion...Ch. 12 - What intracellular transport processes would you...Ch. 12 - What problems would a cell have if it could not...Ch. 12 - Although the plant vacuole resembles the lysosome...Ch. 12 - Why is it important for the biochemical reactions...
Ch. 12 - Compartmentalization of Function. Each of the...Ch. 12 - Endoplasmic Reticulum. For each of the following...Ch. 12 - Biosynthesis of Integral Membrane Proteins. In...Ch. 12 - Coated Vesicles in Intracellular Transport. For...Ch. 12 - QUANTITATIVE Interpreting Data. Each of the...Ch. 12 - Cellular Digestion. For each of the following...Ch. 12 - QUANTITATIVE Virus Entry by Endocytosis....Ch. 12 - Prob. 12.8PSCh. 12 - Sorting Proteins. Specific structural features tag...Ch. 12 - Prob. 12.10PSCh. 12 - Whats Happening? Researchers have discovered a...
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- True or False. Plant cells contain many of the same organelles as animal cells, with the addition of chloroplast, a vacuole, and glyoxysomes. Explain your answer.arrow_forwardILLUSTRATIONS. For each of the given proteins: Draw the final location of the following proteins after being translocated. Label the organelle (as well as the organelle parts/compartments) and the cytosol (if necessary) in order to clearly depict the protein's location and orientation. Label the amino and carboxyl ends of the protein. • Below your drawing, indicate: a. the receptor/s b. the energy source c. if there is signal peptide cleavage or none A. Mitochondrion H₂N- MTS ITS* *Internal targeting sequence that has no cleavage site -COOHarrow_forwardThe question of growth. How do our cells know when to stop dividing? Our arms are generally the same size on both sides of the body. How is cell division so tightly regulated?arrow_forward
- Image analysis. The outer boundary of the cell is the plasma membrane.In the image below, molecules that cannot cross the membrane are glucose and ions.Why can't they cross the membrane? [MA] (c) (d) (a) Small uncharged molecules (b) Lipid-soluble Water-soluble substances lons substances Glucose Hydrocarbon Nat K+ H20 CO2 H+ cF Cat+ NH3 O They are hydrophobic O They are hydrophilic O large O Na, K, Ca and H ions will bind with phosphate Chloride ions will be repelled by phosphate they are small in size toarrow_forwardPlease help me with this question. More than one answer may be correct. Clathrin _________. Options: A) binds to COP3 to send proteins to the mitochondria B) has three heavy chains and three light chains C) is involved in docking vesicles to the target membrane D) is a vesicle coating protein E) has a triskelion shapearrow_forwardPlease help me with this question. More than one answer may be correct. The cis golgi compartment ______. Options: A) is a convenient place to store tools in small cars. B) uses clathrin as a coating protein to send vesicles to the medial compartments. C) sends proteins to their proper destination. D) is continuous with the trans compartment. E) adds specific signal to proteins destine for the lysosomes.arrow_forward
- Protein synthesis is energetically expensive. Consider the hydrolysis of ATP into AMP as equivalent to 2 ATP, and both ATP and GTP as energetically equivalent. In a cell-free system, how many ATP equivalents are required to incorporate 32 amino acids into a growing peptide chain?arrow_forwardCell communication .a) There are six main principles for transmitting a chemical signal between cells, mention and describe two. b) How does a signal binding to the cell's surface reach all the way into the nucleus? c. What does it mean that a signal is G protein connected?arrow_forwardTrue or False: 14- Golgi apparatus present in all the cells. 15- The lysosomes are formed by Endoplasmic reticulum. 16- The primary lysosome is inactive and the Secondary lysosome is active. 17- Important lysosomes hydrolyze the proteins into amino acids. 18- Peroxisomes break down the fatty acids using a process called beta-oxidation: This is the major function of peroxisomes. 19- The nucleus controls and regulates the activities of the cell. 20-Mitosis results in four haploid daughter cells by undergoing one round of DNA replication followed by two divisions. 21- The cell cycle incorporates two principal phases: the interphase, and the M phase (mitosis). 22- The S phase in mitosis division needed about 12.5 to 20 hours in duration. 23-During the G phase, the cell examines its replicated DNA in preparation for cell division. 24- Exocytosis is a Ca2+-dependent process. 25- Phagocytosis means ("cell drinking"). 26- Pinocytosis means ("cell eating "). 27- The energy that causes diffusion…arrow_forward
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