Microbiology: Principles and Explorations
9th Edition
ISBN: 9781118743164
Author: Jacquelyn G. Black, Laura J. Black
Publisher: WILEY
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Chapter 4, Problem 17SQ
Summary Introduction
Introduction: Phagocytosis is a process in which large vacuoles are termed as phagosomes engulf, or ingest microorganisms or other particles. Certain white blood cells (WBCs) are found to be particularly adept at phagocytosis, and thereby defend the body against microbial infections.
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Identify the false statement about lysosomes. (a) They have the same structure and function as peroxisomes. (b) They form by budding off the Golgi apparatus. (c) Lysosomal enzymes do not occur freely in the cytosol in healthy cells. (d) They are abundant in phagocytic cells.
Beginning with protein synthesis in membrane-bound ribosomes, hepatocytes secrete proteins into
the circulation via which of the following mechanisms?
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(B) Diffusion through the cell membrane
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(E) Transport through pores in the cell membrane
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Chapter 4 Solutions
Microbiology: Principles and Explorations
Ch. 4 - Are viruses prokaryotes? Eukaryotes? Why or why...Ch. 4 - Compare surface-to-volume ratios of prokaryotes...Ch. 4 - Prob. 1.3SCCh. 4 - Prokaryotes lack mitochondria. What structure does...Ch. 4 - Compare peptidoglycan and teichoic acid as to...Ch. 4 - What takes place in the periplasmic space? Which...Ch. 4 - Prob. 2.3SCCh. 4 - Compare the cell walls of Gram-positive,...Ch. 4 - How do bacteria move in chemotaxis? Distinguish...Ch. 4 - Prob. 3.2SC
Ch. 4 - Prob. 3.3SCCh. 4 - Distinguish between nucleus and nucleoid.Ch. 4 - Most prokaryotes lack sterols in their plasma...Ch. 4 - Prob. 4.2SCCh. 4 - Give two specific arguments that support the idea...Ch. 4 - Prob. 1CCSCh. 4 - Your roommate has noticed that you now spend most...Ch. 4 - Many of todays antibacterial drugs work by...Ch. 4 - According to the endosymbiotic theory, the...Ch. 4 - Most prokaryotes range in size from 0.5 to 2.0 m,...Ch. 4 - Attribute each of the following to either P,...Ch. 4 - Match the following bacterial morphology...Ch. 4 - Which of the following statement about the...Ch. 4 - Bacteria such as Mycoplasma that lack cell walls...Ch. 4 - Prob. 6SQCh. 4 - Prob. 7SQCh. 4 - Match the following bacterial locomotion and...Ch. 4 - Prob. 9SQCh. 4 - Prob. 10SQCh. 4 - Prob. 11SQCh. 4 - Prob. 12SQCh. 4 - Glucose is often present in very low...Ch. 4 - Prob. 14SQCh. 4 - Peptidoglycan digested from Gram-______ bacteria...Ch. 4 - Prob. 16SQCh. 4 - Prob. 17SQCh. 4 - Prob. 18SQCh. 4 - Mitosis differs from meiosis in the following ways...Ch. 4 - For each of the lettered regions identified on...
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- Hemocytes are stem cells which become red blood cells (RBC). The RBC's are filled with a protein called hemoglobin. Such a cell product is stored in cell structures that are? A) Formed from the nucleus B) Formed as Vesicles from the Endoplasmic reticulum C) engulfed in to the cell by pinocytosis D) Released in to the blood by exocytosis E) Ingested by Phagocytosis And explain whyarrow_forwardIn some eukaryote organisms, myocytes are a type of stem cell that become Muscle cells. These cells filled with a protein called myosin. Such cell products are stored in cell structures that are formed from: A) the nucleus, B) from the smooth ER as vesicles, C) are engulfed into the cell by phagocytosis, D) are released from the cell by the process of Exocytosis, E) the lysosomes.arrow_forwardAnswer #22arrow_forward
- 1.Hemocytes are stem cells which become Red Blood Cells (RBC). The RBCs are filled with a protein called hemoglobin. Such a cell product is stored in cell structures that are: a) formed from the nucleus, b) formed from as vesicles from the endoplasmic reticulum, c) engulfed into the cell by pinocytosis, d) released into the blood by exocytosis e) ingested by phagocytosis. 2.The Prokaryotes are associated with the following structures EXCEPT: A) ribosomes, B) Lysosomes and liposomes, C) a nucleoid area, D) mesosomes, E) chlorophyll. 3. In the evolution of cell specialization, the molecule ATP is important because it: a) supplies energy needed to synthesize macromolecules within the cell. b) supplies energy required to pump substances across the plasma membranes. c) is the energy source for muscles to contract. d) All of the choices are correct. e) None are correct 4. Which of the following exhibits embryonic development by the protostome pathway? a) mollusk, b) sharks, c) amphibians,…arrow_forwarda) Give the two main membrane proteins.b) State a function each of the mentioned protins. c) Explain why change in pH can affect the function of the proteins.arrow_forwardCell division and apoptosis a) The cell cycle is divided into different phases (named M, G0, G1, S and G2). Can you explain what happens during the different parts of the cycle and how to control it? b) What is the difference between apoptosis and necrosis? c) What are caspases and what is their function in the cell?arrow_forward
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