Growth Phases of Organisms

During which phase do organisms increase in size and synthesize enzymes?

During which phase does population growth occur at an exponential rate?

During which phase does cell division decrease to the point that new cells are produced at the same rate as old cells die?

During which phase do cells lose their ability to divide and die?

What is the term for growth in colonies where cells divide at their most rapid rate?

What is the term for growth in colonies where cells divide sometime during the generation time with a smooth line graph?

What is the term for a chemically non-defined medium that contains reasonably familiar material but varies slightly in chemical composition from batch to batch?

What is the term for a common ingredient in media that is a product of enzyme digestion of proteins?

What is the term for materials found in nature that can be used as media?

Which type of medium encourages the growth of some organisms but suppresses the growth of others?

What is the purpose of a selective medium?

Which medium is both selective and differential?

Which substance is fermented by organisms in the human intestines, but not by most pathogens?

Which method is used when a diluted culture is added to a melted nutrient agar and poured into an empty dish?

Which method is used when a diluted sample is placed on the center of a solid cooled agar medium and spread evenly?

What does CFU stand for in microbiology?

What does MPN stand for in microbiology?

What is the purpose of the filtration method in microbiology?

What does turbidity measure in microbiology?