Hopanoids Study guides, Class notes & Summaries
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MCB 3020 Exam 1 Questions and Answers 100% Verified
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MCB 3020 Exam 1 Questions and Answers 100% VerifiedMCB 3020 Exam 1 Questions and Answers 100% VerifiedMCB 3020 Exam 1 Questions and Answers 100% VerifiedMCB 3020 Exam 1 Questions and Answers 100% VerifiedMCB 3020 Exam 1 Questions and Answers 100% Verified 
 
A chemical bond formed by two atoms when they share pairs of electrons to fill their outer shells is a/an : 
A. Ionic bond 
B. Covalent bond 
C. Hydrophilic interaction 
D. Hydrogen bond 
E. Organic bond - ANSWER - B. Covalent bond 
 
Whic...
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MCB 3020 Exam 1 Questions And Answers 100% Correct
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MCB 3020 Exam 1 Questions And Answers 
100% Correct 
A chemical bond formed by two atoms when they share pairs of electrons to fill their outer shells is a/an 
: 
A. Ionic bond 
B. Covalent bond 
C. Hydrophilic interaction 
D. Hydrogen bond 
E. Organic bond B. Covalent bond 
Which of the following would a bacterium NOT have? 
A. Mitochondria 
B. Ribosome 
C. DNA 
D. Cell membrane A. Mitochondria 
Which of the following structures adds flexibility and fluidity to prokaryotic cell membranes? 
...
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MICR 271 EXAM QUESTIONS WITH ALL REVISED ANSWERS
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MICR 271 EXAM QUESTIONS WITH ALL REVISED ANSWERS 
O-Antigen in lipopolysaccharide - Answer-may contain hundreds of repeating units that are species specific 
- external to the cell, accessible for interactions with immune cells 
 
Core in lipopolysaccharide - Answer-formed by an array of sugars including ketodeoxyoctonate 
- inner core is external to the membrane, but close to the surface of the cell 
- cross links ionically with other components of the membrane 
 
Lipid A in lipopolysaccharide...
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MCB 2610 Exam 2 All Possible Questions and Answers with complete solution
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B-lactam resistance - Lactamases - enzymes that cleave beta lactam structure usually between 
carbon and nitrogen - makes it no longer a structural mimic and transpeptidase keeps cross-linking 
peptide side chains 
Antimicrobial Agents - Agents that kill microorganisms or inhibit their growth 
-cidal agents kill 
-static agents inhibit growth 
Household cleaners are disinfectants 
14 out of 20 burn patients get pseudomonas infections from stainless steel tub cleaned with a quat.. 
why? - Quats d...
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Microbiology Final Exam Questions and Verified 100% Correct Answers | Grade A+Microbiology Final Exam Questions and Verified 100% Correct Answers | Grade A+
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The genus of bacteria that undergoes cell division in random planes, forming grapelike 
clusters of round bacteria, are the _______________. 
Ans: staphylococci or staphylococcus 
Bacteria that do not have a fixed shape are said to be ___________. 
Ans: pleomorphic 
A branched network of hyphae formed by the Actinomycetes is called a ______________. 
Ans: mycelium 
Actinomycetes form long filaments called ___________. 
Ans: hyphae 
Sterol-like molecules called hopanoids are thought to be import...
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Microbiology Final Exam questions with solutions
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Microbiology Final Exam questions 
with solutions 
The genus of bacteria that undergoes cell division in random planes, forming grapelike clusters 
of round bacteria, are the _______________. ️️staphylococci or staphylococcus 
Bacteria that do not have a fixed shape are said to be ___________. ️️pleomorphic 
A branched network of hyphae formed by the Actinomycetes is called a ______________. 
️️mycelium 
Actinomycetes form long filaments called ___________. ️️hyphae 
Sterol-li...
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MIBO 3500 FINAL (TEST 1 REVIEW) WITH CORRECT ANSWERS
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chemo 
(chemo/photo) 
obtain energy from chemical compounds (bond breaking) 
 
 
 
photo 
(chemo/photo) 
obtain energy from sunlight 
 
 
 
organo 
(organo/litho) 
get energy/electrons from organic source 
 
 
 
Litho 
(organo/litho) 
get energy/electrons from inorganic source 
 
 
 
Auto 
(auto/hetero) 
use inorganic carbon (CO2) 
 
 
 
Hetero 
(auto/hetero) 
use organic carbon 
 
 
 
Hopanoids 
A planar molecule that fills gaps between fatty acid chains in a bacterial membrane 
 
 
 
planar 
H...
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Prescott Microbiology UNIT 1 Test questions with correct answers
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The amphipathic molecules that form the cell membranes are made of phospholipids. The basic structure of these phospholipids consists of 3 parts, the hydrophilic ethanolamine, the glycerol and the long non polar hydrophobic fatty acids. The glycerol molecule is linked to the fatty acids by different chemical bonding in Bacteria and Archaea. Which of the following sentences correctly described the chemical bonds present in the membranes of the microorganisms so far studied? 
 
a. The glycerol mol...
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MICR 2123 Test Questions with Complete Solutions All Revised and Updated
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MICR 2123 Test Questions with Complete Solutions All Revised and Updated 
 
separation is the final step in what cellular process - Answer-Cell division 
 
the process of chemotaxis typically requires a bacterium to have what two features - Answer-chemoreceptors and motility 
 
a bacterial membrane will have a decreased fluidity by the insertion of _____ into that membrane - Answer-Hopanoids 
 
cytoplasmic membrane is primarily composed of: - Answer-Phospholipids and proteins 
 
gram-positive c...
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CMMB midterm (Cell structure) fully solved rated A+ 2024/2025
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CMMB midterm (Cell structure)What is the hydrophobic part of the lipid bilayer - correct answer fatty acids 
 
What is the hydrophilic part of the lipid bilayer - correct answer Glycerol + phosphate and another functional group (Sugar, ethanolamine, choline) 
 
What kind of linkage connects the fatty acid to the glycerol? of a phospholipid? (eukaryotes) - correct answer Ester linkage 
 
What kind of molecules can pass through the lipid membrane - correct answer Non polar molecules and small ...
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