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Test Bank Solutions For Microbiology Fundamentals: A Clinical Approach 3rd Edition By Cowan

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  • Course
  • Microbiology
  • Institution
  • Microbiology

Chapter 1 Introduction to Microbes and Their Building Blocks (McGraw Hill)-Homework 1. Which of the following choices is a correct way to denote the binomial name of a microorganism? Multiple Choice • Staphylococcus Aureus (correct answer) Explanation The b...

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  • December 28, 2024
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Test Bank Solutions For Microbiology
Fundamentals: A Clinical Approach 3rd
Edition By Cowan


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TEST BANK FOR MICROBIOLOGY
FUNDAMENTALS A CLINICAL
APPROACH 3RD EDITION BY
COWAN




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Chapter 1 Introduction to Microbes and Their Building Blocks (McGraw Hill)-
Homework



1. Which of the following choices is a correct way to denote the binomial name of a
microorganism?




Multiple Choice




• Staphylococcus Aureus (correct answer)



Explanation
The binomial, or scientific name, of a microorganism must be typed in italics or underlined if
handwritten. In addition, the first letter of the generic part of the name must be capitalized while the first
letter of the species name is lowercase.

2. Which of the following is a macromolecule that assembles into bilayers?

Multiple Choice

• Phospholipid (correct answer)
• Nucleic acid
• Carbohydrate
• Protein
3. Please watch the video below, and then use what you have learned from the chapter to answer the
questions, demonstrating your understanding of biofilms.

1.) What is a biofilm?
• Free-floating bacteria that move through the blood to other sites
• A group of bacteria that accumulate in layers and secrete protective extracellular
material
• A layer of sugars that persist even after bacteria have been killed by antibiotics
• A bacterial cell that secretes an extensive network of fibers around its cell wall Incorrect


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2. ) Which tof tthe tfollowing tis tan texample tof ta tbiofilm tcommonly tfound tin tthe thuman tbody?
• Dental tplaque tCorrect
• Salivary tsecretions
• Ear twax
• Yellow tor tgreen tdischarge

3.) tWhy tare tbiofilms timportant tin tinfectious tdisease?
• Bacteria tin tbiofilms tare toften tprotected tfrom tantibiotics.
• Most tmicrobes tcannot tcause tdisease twithout tother tmicrobes tpresent.
• The tsecreted textracellular t"gunk" tis thighly tdamaging tto ttissues.
Explanation
Question t1: t Bacteria tattach tto ta tsurface tand texcrete ta tsticky textracellular tsubstance. t Other tspecies tcan
tbe trecruited tto tthe tbiofilm, tand tthe tresult tis tlayers tof tmultiple tspecies tof tbacterial tsurrounded tby ta
tprotective tcoating.


Question t2: t Dental tplaque tis ta tbiofilm ton tthe tsurface tof tyour tteeth!

Question t3: t Antibiotics tare toften tblocked tby tthe tprotective tcoating tfound tin tbiofilms. t Also,
tbacteria tmay texpress tdifferent tgenes twhen tthey tare tpart tof ta tbiofilm tand tbecome tless tsusceptible tto
tantimicrobial tdrugs.


4. Match tthe tmacromolecules tto ttheir tfunction twithin tcells.

Major tstructural tcomponent tof tcell Carbohydrates Correct

twalls tMajor tcomponent tof tcell Lipids Correct

tmembranes


Speed tup tand tfacilitate tchemical treactions
Proteins Correct
twithin tcells

Inheritance tand texpression tof tgenetic ttraits Nucleic acids Correct


Explanation
DNA tand tRNA tare tnucleic tacids tinvolved tin tgenetics. t Enzymes tare tproteins tthat tspeed tup tchemical
treactions. t Phospholipids tmake tup tthe tbulk tof tthe tcell tmembrane, tand tseveral tdifferent ttypes tof
tcarbohydrates tmake tup tthe tcell twall tin torganisms tthat tpossess tone.


5. Microbes tare tfound tin twhich thabitat(s)?



All tof tchoices tare tcorrect t(Ocean, tEarth’s tcrust, tand tHuman tBody)




This tstudy tsource twas tdownloaded tby t100000825849797 tfrom tCourseHero.com ton t06-01-2021 t15:45:52 tGMT t-05:00


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