Microbiology: Principles and Explorations
9th Edition
ISBN: 9781118743164
Author: Jacquelyn G. Black, Laura J. Black
Publisher: WILEY
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Chapter 4, Problem 11SQ
Summary Introduction
Introduction: The cytoplasm of the bacteria usually contains a nucleoid, ribosomes, and various vacuoles. It also contains inclusions. The external structures of the bacteria include flagella, pili, capsule, and smile layers.
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1.Which of the following is true with a eukaryote?
A) It has DNA.
B) It ha s cell m embrane
C) Both of the above.
2.Which of the following part is absent in a human red bl ood cell?
A) nucleus
C) cell membrane
B) cytoplasm
3.What makes the endoplasmic reticulum rough?
B) ribos ome
A) mitochondria
C) vesicles
4.Which of the following cell part is absent in a human spermatozoon?
B) cytoplasm
C) cell m embrane
A) nucleus
5.What chemical substance stores energy for cellular use?
C) adenosine triphosphate
B) NAD PH
A) glucose B Ctrl)
Which of the following is not a possible chemical component of a bacterial cell wall (i.e., peptidoglycan)?
A) O amino acids
B) ON-acetylmuramic acid
C) ON-acetylglucosamine
D) O Phospholipids
E) O peptide cross-links
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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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- (a) What is the function of inclusion bodies in prokaryotic cells?(b)Where are they present?(c) Give two examples of inclusion bodies.arrow_forwardWhich is true of ribosomes found in eukaryotic cells? They: A) contain DNA B) synthesize carbohydrates C) are attached to the Rough Endoplasmic reticulum (RER) and carry out the synthesis of proteins D) are found inside the endoplasmic reticulum E) are originally found associated with the endoplasmic reticulum in prokaryotic cells.arrow_forwardGive the specific terms for the following:(a)Cluster of ribosome’s found in cytoplasm(b)Extensive in folding to the inner membrane of mitochondria.(c) Stacks of closely packed thylakoids(d)Stalked particles on the inner membrane of mitochondria.arrow_forward
- (50) During an experiment , equal aliquots of Escherichia coil and Staphylococcus aureus are separately sonicated at the same level to mechanically disrupt bacterial cells. E.coli cells are disrupted , but their is minimal disruption of S, aureus cells. Which of the following bacterial structures best explains this difference? (A) Cytoplasmic membrane (B) Outer membrane (C) Peptidoglycan layer (D) Phospholipid bilayer (E0 Polysaccharide capsulearrow_forwardB. E- D C A Cell cytoplasm Cell cytoplasm Bacterial Cell A Bacterial Cell B A cross-section of the cell envelope of two bacterial cells, A and B, are shown in the figure. Which label is matched with the correct structure A) O Structure A: peptidoglycan B) O Structure B: teichoic acid C) O Structure C: lipoprotein D) O Structure D: capsule E) O Structure E: S layer Cell exterior Cell exteriorarrow_forwardMatch the following structures with their definitions: (1) Golgi apparatus (2) mitochondria (3) peroxisomes (4) cilia (5) endoplasmic reticulum (6) cytoskeleton (7) vesicles (8) ribosomes A. sacs that contain enzymes thatcatalyze a variety of specific biochemical reactionsB. structures on which protein synthesis occursC. structures that house the reactions that release energy from nutrientsD. a network of microfilaments and microtubules that supports and shapes a cellE. a structure that adds sugars to certain proteins and processes them for secretionF. membrane-bounded sacsG. a network of membranous channels and sacs where lipids and proteinsare synthesizedH. hairlike structures that extend from certain cell surfaces and wave about.arrow_forward
- The prokaryote cell type is associated with the following structures EXCEPT? a) ribosomes, b)mesosomes c)nucleoid area d) peroxisomes and liposomes e) chlorophyll and explain why?arrow_forwardWhat are the two most common shapes of bacteria?arrow_forward1) What carries out matabolic functions in cells (Note: only one can be correct) a) proteins b) RNA c)DNA 2) Select all molcules that are considered to be marcomolcules (Note: more than one can be correct) a)an mrna that will be translated to make a catabolic enzyme b) an individual lipid found in a cell membrane c) a protein that is involved involved in DNA replication d) starch, which is a polymeric carbohydrate repeated glucose unitsarrow_forward
- The lysosome O a) is a vesicle for food b) contains oxidase enzymes. c) adds carbohydrate chains to proteins. d) has ribosomes for making proteins e) has a pH of about 5.arrow_forwardWhich is not true of Eukaryotic cells? A) A true nucleus contains DNA in the form of chromosomes B) Eukaryotic cells contain membrane-bounded compartments or organelles C) Their Dna employs a nucleoid area to produce proteins D) Thye all contain mitochondria E) They contain specialized organelles in the cytoplasm Explain whyarrow_forwardInsulin, a biological macromolecule (a protein), is a polymer produced by the beta cells of the pancreas. Given the characteristics of the original, primitive Prokaryote cells, which of the following is likely to be true? a) This polymer is a linear sequence (Chain) of amino acids b) The monomers are linked by dehydration synthesis. c) When the monomers are connected to form the polymer using the process of dehydration synthesis a covalent bond links the monomers, d) The structure of this type of polymer presents the R groups as extending off of the chain, e) All are true.arrow_forward
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