Glycocalyx Study guides, Class notes & Summaries
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Bellas Microbiology Exam II With 100% Verified Solutions | Updated & Verified | 2024
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Prokaryote Characteristics - - No membrane surrounding their DNA; no nucleus 
- Lack organelles - internal membrane-bound structures 
- Small; ~1.0 μm in diameter (RBC ~10 μm) 
- Simple structure 
Prokaryote Types - Bacteria & Archaea 
Prokaryote External Structures (3) - Glycocalyces, Flagella and Fimbrae & Pilli 
Gycocalyx - "Sugar cage" - Polysaccharides 
- Capsule & Slime Layer 
Capsule - Hard glycocalyx with consistent structure around prokaryote 
Slime Layer - Inconsistent outsider lay...
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BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+.
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BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+. What are the properties of life? - correct answer *Cells and organization 
*Energy use and metabolism 
*Environmental response 
*Regulation and homeostasis 
*Growth and development 
*Reproduction 
*Biological evolution 
When was earth formed? - correct answer 4.55 billion years ago 
When did life on earth first appear? - correct answer 3.5 billion years ago 
What are the evolutionary mechanisms? - correct answer *Nonrando...
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BIOS 1300 Exam 2 exam study guide questions and answers(latest update)
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All organisms are composed of what? 
Cells 
 
 
 
Why is there an upper limit on cell size? 
Cells lose their ability to support themselves 
 
 
 
What does the plasma membrane divide? 
The fluid within a cell; intracellular fluid from extracellular fluid 
 
 
 
What is a phospholipid? 
Amphipathic molecules arranged in a bilayer 
 
 
 
Where do the phosphate heads face? 
Face water on either side of the membrane 
 
 
 
Where do the tails face and what kind of tail is it? 
Are in the center; hyd...
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Mmbio 221 Robinson BYU Final Exam Questions and Answers Top Graded A 2024-2025
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Edward Jenner - Developed small pox immunization using cowpox agent 
 
Paul Ehrlich - sought a " magic bullet" to destroy pathogens 
 
Alexander Fleming - discovered penicillin 
 
Joseph Lister - Pioneered aseptic surgery 
 
John Snow - father of epidemiology (cholera in London) 
 
Ignaz Semmelweis - Pioneered asepsis by discovering that hand washing prevented streptococcal infections in obstetric patients 
 
Robert Koch - Pioneered the cultivation of bacteria on solid media 
 
Louis Pasteur -...
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MIC FINAL EXAM 2024 WITH 100% CORRECT ANSWERS
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Which of the following describe the similarities of microbial growth b/w solid and liquid media? - correct answer -BOTH involve a lag phase 
-cells compete for nutrients 
 
An illness outbreak occurs in New York City birds in the late 1990s. After a lengthy scientific investigation, the Centers for Disease Control (CDC) determine that the agent causing the birds to die is the West Nile virus. Outbreaks of this illness have been observed in several other countries in Asia and the Middle East acro...
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BYU MMBio 221 exam 1 Robison Top Rated Study Guide 2024
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Obligate halophiles - High osmotic pressure aka lots of salt like the great salt lake 
 
Facultative halophiles - Type that causes acne can be in salty also known as osmolaric but not nessesary 
 
Neutrophiles - Most bacteria Protozoa and pathogens like neutral ph rang 6.5-7.5 
 
Acidophiles - Really acidic as low as 0 pH 
 
Alkalineophiles - Grow best in basic range up to 11.5 ex cholera 
 
Thermophiles - Higher temperatures above 45C ex hot springs 
 
Hyperthermophiles - Hottest 80C and above ...
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MMBIO 222 quiz #3 Questions with Complete Solutions
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true motility Correct Answer-directed motion of bacteria (energy expenditure by the cell) 
 
brownian movement Correct Answer-random back-and-forth jiggling motion due to collisions of water molecules with the cells (cells don't go anywhere)... results from kinetic energy of molecules around the cell 
 
flagella Correct Answer-long, whip-like structures that extend beyond the surface of the cell and glycocalyx and propel the cell through its environment. Composed of flagellin 
 
serovars Correc...
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BASI - Module 1 - Practice Questions and Answers with complete solution
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Nucleic acids stain with ______ dyes which impart a ________ color. Therefore, nucleic acids are 
described as ______. 
A. Base-like; blue/purple; acidophilic 
B. Acid-like; red/pink/orange; basophilic 
C. Base-like; blue/purple; basophilic 
D. Acid-like; red/pink/orange; acidophilic - Answer-C. Base-like; blue/purple; basophilic 
Which molecules are lost from cells during the processing for H&E staining? 
a. Carbohydrates 
b. Proteins 
c. Lipids 
d. Nothing is lost - Answer-c. Lipids 
A slide-m...
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MIC 102 - Pre-Lecture Quizzes (All Answered Correctly)
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What is not a function of a prokaryotic cell membrane? 
 
(A) Protein synthesis 
(B) Protein secretion 
(C) Respiratory electron transport 
(D) Osmotic barrier 
(E) Lipid synthesis correct answers (A) Protein synthesis 
 
Which of the following cell components would not be found on a gram-positive, circular shaped bacterium? 
 
(A) Murein 
(B) Teichoic Acids 
(C) S layer 
(D) Flagellum 
(E) Outer Membrane correct answers (E) Outer Membrane 
 
Which structure provides resistance to desiccation? 
...
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BIO 210 - Chapter 3 Questions and Answers Rated A+
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BIO 210 - Chapter 3 Questions and 
 
Answers Rated A+ 
 
Plasma membrane forms the outer boundary of the cell 
 
Cellular organelles each performs specific functions 
 
Nucleus contains the cell's genetic material and directs cell activities 
 
Cytoplasm the material between the plasma membrane and nucleus 
 
Main functions of cells -cell metabolism and energy release 
-synthesis of molecules 
-communication 
-reproduction and inheritance 
 
Plasma membrane also called the plasmolemma or cell m...
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