Podcast
Questions and Answers
What is the purpose of observing a culture medium in the lab?
What is the purpose of observing a culture medium in the lab?
- To measure temperature preferences
- To observe microbial growth (correct)
- To assess oxygen requirements
- To determine the type of bacteria present
What happens if the osmotic pressure is not equal inside and outside a cell?
What happens if the osmotic pressure is not equal inside and outside a cell?
- The cell will produce more macronutrients
- The cell will become dormant
- The cell will shrink or swell (correct)
- The cell will increase oxygen requirements
Which type of microbe thrives at low temperatures?
Which type of microbe thrives at low temperatures?
- Psychrophiles (correct)
- Thermophiles
- Mesophiles
- Halophiles
Which of the following chemicals is considered a macronutrient required by microbes in large quantities?
Which of the following chemicals is considered a macronutrient required by microbes in large quantities?
What is the primary source of carbon for autotrophic microbes?
What is the primary source of carbon for autotrophic microbes?
How do halophiles survive in high-salt environments?
How do halophiles survive in high-salt environments?
Which organic compounds contain nitrogen?
Which organic compounds contain nitrogen?
What organic compounds contain sulfur?
What organic compounds contain sulfur?
Which type of microbes can grow in the absence of oxygen?
Which type of microbes can grow in the absence of oxygen?
What are micronutrients also known as?
What are micronutrients also known as?
Which type of culture media appears as a solid preparation for microbial growth?
Which type of culture media appears as a solid preparation for microbial growth?
What is the difference between a colony and a pure culture?
What is the difference between a colony and a pure culture?
Which type of media requires the removal of all available O2 and is used for anaerobic bacteria growth?
Which type of media requires the removal of all available O2 and is used for anaerobic bacteria growth?
What is the main purpose of selective media in bacterial culture?
What is the main purpose of selective media in bacterial culture?
Which type of media allows for the differentiation between bacteria within the same group?
Which type of media allows for the differentiation between bacteria within the same group?
What is the process by which bacterial growth occurs through cell division?
What is the process by which bacterial growth occurs through cell division?
What method of measuring microbial growth involves indirect measurements like turbidity and metabolic activity?
What method of measuring microbial growth involves indirect measurements like turbidity and metabolic activity?
