Capsules slime layers - Study guides, Class notes & Summaries
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MICR271 TESTED QUESTIONS WITH ANSWERS REVISED & UPDATED!!!
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MICR271 TESTED QUESTIONS WITH ANSWERS REVISED & UPDATED!!! 
ribulose bisphosphate carboxylase/oxygenase - Answer-what is the predominant enzyme in carbon fixation 
 
extra cytoplasmic membranes that extend and fold within the cytoplasm, increasing surface area - Answer-what is an intracytoplasmic membrane 
 
structural components within the cytoplasm of magnetotactic bacteria that act as miniature motile compass needles - Answer-what are magnetosomes 
 
a resistant asexual spore that develops in...
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MMBIO 221 OLD Questions with Complete Solutions
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Structural part of the cell wall of most bacteria. Composed of polysaccharide chains containing repeat units of N-acetylmuramic acid and N-acetylglucosamine, cross-linked by short chains of amino acids. Correct Answer-Peptidoglycan 
 
Found only in the outer membrane of gram-negative cells; lipid A is the active component; they are also called endotoxin. Correct Answer-Lipopolysacharides 
 
This gelatinous, sticky substance is usually composed of polysaccharides or proteins that surround the out...
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Microbiology Exam 1: Duquesne University Questions And Answers With Verified Solutions
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diplococci - Answer-resembles berries, remains in pairs after dividing, divide on one plane 
streptococci - Answer-resembles berries, divide and remain in chains (don't separate) 
tetrads - Answer-remain in groups of 4, divide in 2 planes 
sarcinae - Answer-divide in 3 planes and remain in cubelike clusters of 8 
staphylcocci - Answer-divide in multiple planes and form grapelike clusters 
single bacillus - Answer-single rod 
diplobacilli - Answer-a double bacillus, two being linked end to end t...
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Talaros Foundations in Microbiology FINAL Quiz Test Bank with Question and Answers GRADED A+ 2023
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Talaros Foundations in Microbiology FINAL Quiz Test 
Bank with Question and Answers GRADED A+ 2023 
 
Staphylococcal aureus - description correct answers Bacterium 
Gram + 
non motile 
facultative-aerobe 
round /cluster 
 
Staphylococcal aureus - diagnosis correct answers culture and sensitivity. 
 
Staphylococcal aureus - virulence correct answers hyaluronidase: destroy host tissue 
staphylokinase: digest blood clots 
lipase: colonize oily skin 
penicillinase: penicillin resistance 
leukocidin...
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MBI 111 Exam 2 || A+ Graded Already.
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cell cytoplasm correct answers The genetic material (DNA) of a prokaryotic cell is found here 
 
Prokaryotic correct answers Which cells lack membrane-bound organelles? 
 
Coccus - Spherical, Bacillus - Rod shaped, Vibrio - Comma shaped, Spirillum - Wavy, Spirochete - Corkscrew shaped correct answers 5 common types of bacteria 
 
Flagella correct answers Used for movement (motility), Rigid structures that rotate like propellers (not wavelike); push cells along. Arrangement varies by species 
 
A...
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Microbiology Exam 100 Questions & Answers 2023/2024 Update
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Microbiology Exam 100 Questions & Answers 2023/2024 UpdateMicrobiology,Oral Physiology,Oral Diagnosis, Pathophysiology,Phamacology, Class Anesthesiology & General Physiology Exam Questions & Answers 2023/2024 Update 
 
 
1.	 Any deviation from health where tissues and organs are damaged and disrupted is termed as: 
 
A.	Pathology 
B.	Disease 
C.	Infection 
D.	Transient microbiota 
E.	Commensalism 
 
 
2.	The human body provides a favorable habitat for microorganisms. Which of the following ...
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ASU MIC 205 EXAM 1 Questions With Complete Solutions
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Hershey and Chase performed an experiment in order to determine how bacteriophages infect bacteria. What did they find? 
The bacteriophage injects DNA into the host cell. This was found because, after centrifugation, the pellet was radioactive 
 
 
The largest difference between a Gram + and Gram - bacterial cell is: 
The gram + cell has a much thicker peptidoglycan layer 
 
 
Why does a Gram + cell stain blue/purple in a gram stain? 
The Gram + cell stains blue/purple because crystal violet rem...
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BIOL 438 Midterm 1 Exam Questions and Correct Answers
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Some molecules needed for survival cannot be synthesized by the cell but instead must be obtained from the environment. These types of molecules include vitamins and amino acids and are collectively called ______ ______. growth factors 
The movement of dissolved solutes from a region of higher concentration to a region of lower concentration is called _______. diffusion 
Nutrient uptake and diffusion of molecules into the bacterial cell become more efficient as the surface area-to-volume ratio _...
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BIO 221 Practice Test Questions and Complete Solutions
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Describe the structural differences between capsules and slime layers. -Capsules: Well organized and tight around the cell. -Slime Layers: Loosely organized (stringy); harder to visualize. 
List two functions of capsules and slime layers. 1-Allows adhesion to surfaces. 2-Prevents our own cells from phagocytizing the bacteria. 
Discuss two examples of how formation of glycocalyces by bacteria affect human life and health. 1-Sucrose in the mouth induces glycocalyx production which may cause tooth ...
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USMLE STEP 1 Microbiology NEW UPDATE 2023 WITH QUESTIONS AND CORRECT ANSWERS |GRADED A
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USMLE STEP 1 Microbiology NEW 
UPDATE 2023 WITH QUESTIONS 
AND CORRECT ANSWERS 
|GRADED A 
What is a special cellular component of fungal membrane targeted in anti-fungal 
medication? - ANSWER- Ergosterol 
A major sterol 
What is the special component of bacterial cell wall? - ANSWER- Peptidoglycan 
Where are the normal flora found? Contributions to health? Causes of infection? - 
ANSWER- Location: 
- found on body surfaces contiguous with outside environment (GI, etc.) 
- Semipermanent (de...
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