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Questions and Answers
What is the approximate doubling time for Escherichia coli?
What is the approximate doubling time for Escherichia coli?
- 10 minutes
- 1 hour
- 30 minutes
- 20 minutes (correct)
In bacterial growth, what is the term used to describe the process where one parent cell divides to form 2 progeny cells?
In bacterial growth, what is the term used to describe the process where one parent cell divides to form 2 progeny cells?
- Binary fission (correct)
- Simple division
- Exponential growth
- Fragmentation
Which of the following is NOT an environmental condition governing bacterial growth according to the text?
Which of the following is NOT an environmental condition governing bacterial growth according to the text?
- Influence of nitrogen (correct)
- Influence of CO2
- Influence of temperature
- Influence of O2
What is required for bacterial growth in terms of nutrients according to the text?
What is required for bacterial growth in terms of nutrients according to the text?
In the bacterial growth cycle, how many cells are there after 4 rounds of binary fission?
In the bacterial growth cycle, how many cells are there after 4 rounds of binary fission?
What is one of the factors influencing bacterial growth mentioned in the text?
What is one of the factors influencing bacterial growth mentioned in the text?
During which phase of bacterial growth do bacteria cells divide rapidly at a logarithmic rate?
During which phase of bacterial growth do bacteria cells divide rapidly at a logarithmic rate?
What phase of bacterial growth is characterized by a steady state represented by a straight horizontal line in the growth curve?
What phase of bacterial growth is characterized by a steady state represented by a straight horizontal line in the growth curve?
Which factor influences bacterial growth in vivo and refers to the ability of the microorganism to produce disease?
Which factor influences bacterial growth in vivo and refers to the ability of the microorganism to produce disease?
What is the term used to measure the number of organisms required to cause disease?
What is the term used to measure the number of organisms required to cause disease?
Opportunistic pathogens can cause serious infections in immunocompromised patients but rarely cause disease in immunocompetent individuals. Where are these pathogens usually found?
Opportunistic pathogens can cause serious infections in immunocompromised patients but rarely cause disease in immunocompetent individuals. Where are these pathogens usually found?
What phase of bacterial growth is marked by a gradual decline in the number of viable bacteria?
What phase of bacterial growth is marked by a gradual decline in the number of viable bacteria?
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