Lag phase Study guides, Class notes & Summaries
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Biology 2420 - Final Exam (Questions & Answers) Rated 100%
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A form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the 
same size - Binary Fission 
Enzymes, toxins, and other factors that affect the relative ability of a pathogen to infect and cause 
disease. - Virulence factors 
Gram staining differentiates bacteria based on their: 
A) ATP 
B) endospore 
C) cell wall 
D) integral proteins - Cell Wall 
Reactions that require energy are called ________ reactions: 
A) endergonic 
B) endothermic 
C) exergonic 
...
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UTA Micro 2460 Chapter 9 Questions and Answers
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Binary Fission - Answer-Most common form of bacterial reproduction 
Binary Fission 
4Basic Steps - Answer-1.Growth of cell size and increase in cell components 
2.Replication of DNA 
3.Division of the cytoplasm (cytokinesis) 
4.Septum formation and division of daughter cells 
Z ring Assembly - Answer-•Cytokinesis is directed by FtsZ protein 
•FtsZ assembles Z ring to form divisome 
•Divisome activates production of peptidoglycan and septum 
Generation Time - Answer-•Generation Time (Doub...
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MICR 221 MIDTERM TEST QUESTIONS WITH ANSWERS ALL UPDATED!
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MICR 221 MIDTERM TEST QUESTIONS WITH ANSWERS ALL UPDATED! 
What are trace elements? - Answer-very little in media since they are present in sufficient amounts as contaminants of the major things being added to the media, cofactors for key enzymes, copper, cobalt, manganese, zinc, nickel 
 
How is the requirement for carbon, oxygen and hydrogen met? - Answer-add a single organic compound like glucose or protein 
 
What carbon source do autotrophs use; heterotrophs? - Answer-carbon dioxide; reduce...
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UTA Microbiology Exam 3 Questions With 100% Correct!!
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4 Basic Steps of binary fission - Answer-1. Growth of cell size 
2. Replication of DNA 
3. Division of cytoplasm 
4. Septum formation & cell division 
Z Ring Assembly - Answer-FtsZ assembles Z ring to form divisome 
Generation Time - Answer-time it takes to double the population 
Lag Phase - Answer-Cells adjust to culture medium; no change in population 
What factors determine the duration of the lag phase? - Answer-Genetic makeup, media composition, 
initial inoculum size 
During which phase of...
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Environmental Science Final: Straighterline. Questions with Answers. LATEST. Graded A+.
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Environmental Science Final: Straighterline. Questions with Answers. LATEST. Graded A+. 
Document Content and Description Below 
The small amount of dissolved oxygen found in warm water is considered a __________ to the success of many fish species. - Ans-limiting factor Environmental Science is an interdisciplinary area of study that deals with all of the following except - Ans-all of the above Primary succession is - Ans-a progression that begins with a total lack of organism Parasite that liv...
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UTA Micro 2460 Chapter 9 Correctly Answered Questions| UpToDate | Already Graded A+
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Binary Fission 
: Most common form of bacterial reproduction 
Binary Fission 
4Basic Steps 
: 1.Growth of cell size and increase in cell components 
2.Replication of DNA 
3.Division of the cytoplasm (cytokinesis) 
4.Septum formation and division of daughter cells 
Z ring Assembly 
: •Cytokinesis is directed by FtsZ protein 
•FtsZ assembles Z ring to form divisome 
•Divisome activates production of peptidoglycan and septum 
Generation Time 
: •Generation Time (Doubling Time) - time takes ...
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WGU C722 FINAL EXAM!! Q&A – PROJECT MANAGEMENT (Guaranteed Score A+)
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WGU C722 FINAL EXAM!! Q&A – PROJECT MANAGEMENT (Guaranteed Score A+) 
 
Three essential drivers that must be achieved to generate positive characteristics in project teams *** Cohesiveness, Trust, Motivation 
 
The five stages Dr. Bruce Tuckman (1965) introduced of group development *** Forming, Storming, Norming, Performing, Adjorning 
 
Forming *** In this stage, team members may be meeting for the first time. Often, no one really knows much about anyone else on the team. It may be prematur...
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ATT Test 3 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A
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ATT Test 3 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A 
 
Q: What is peak voltage? 
 
 
Answer: 
highest positive or negative voltage obtained 
 
 
 
Q: What is peak to peak voltage? 
 
 
Answer: 
determined by doubling peak voltage, from highest positive point to lowest negative point 
 
 
 
Q: What is average voltage? 
 
 
Answer: 
Calculated using sum of all angles contained in 180 degrees (0.637 X peak V) 
 
 
 
Q: What is RMS voltage? 
 
 
Answer: 
most ...
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BIOL 2460 Exam 3 Questions and Answers
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4 basic steps of bacterial reproduction 
Ans- 1. growth of cell size & increase in cell components 
2. replication of DNA 
3. division of the cytoplasm (cytokineses) 
4. septum formation and division of daughter cells 
generation time 
Ans- time takes to double population 
E. coli generation time 
Ans- 20 minutes 
B. subtilis generation time 
Ans- 120 min 
S. aureus generation time 
Ans- 30 min. 
M.tuberculosis generation time 
Ans- 15-20 hrs 
closed cultures have ___ resources 
Ans- infinite 
c...
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UTA Microbiology Exam 3 Correctly Answered Questions| UpToDate | Already Graded A+
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4 Basic Steps of binary fission 
: 1. Growth of cell size 
2. Replication of DNA 
3. Division of cytoplasm 
4. Septum formation & cell division 
Z Ring Assembly 
: FtsZ assembles Z ring to form divisome 
Generation Time 
: time it takes to double the population 
Lag Phase 
: Cells adjust to culture medium; no change in population 
What factors determine the duration of the lag phase? 
: Genetic makeup, media composition, initial inoculum size 
During which phase of the growth curve is it most ap...
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