Chapter 6 Review
These questions MAY BE similar to those found on your Lecture Midterm I exam. THERE MAY BE MORE THAN ONE CORRECT ANSWER FOR ANY OF THE QUESTIONS BELOW.
Bacterial growth is defined as
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Bacteria reproduce via
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Biotic potential is intrinsically related to
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Organisms with a ________ generation time have greater biotic potential.
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Considering the growth curve below, what is phase 1?
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Considering the growth curve below, what is phase 2?
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Considering the growth curve below, what is phase 3?
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Considering the growth curve below, what is phase 4?
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Considering the growth curve below, what is happening during phase 1?
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Considering the growth curve below, what is happening during phase 2?
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Considering the growth curve below, what is happening during phase 3?
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Considering the growth curve below, what is happening during phase 4?
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A method of counting bacterial growth which counts colonies or cell is?
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A method of inferring that something observable is increasing at a rate equal to the population number is?
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Serial dilution and spread plating is an example of
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Microscopic counts is an example of
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Most Probable Number is an example of
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Spectrophotometry is an example of
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Which of the following is true of the serial dilutions and spread plating method?
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Which of the following is true of the microscope counts method?
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Which of the following is true of the Most Probable Number method?
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Which of the following is true of the spectrophotometric count method?
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Both MPN and spectrophotometer readings measure turbidity. What is true of the MPN method?
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Both MPN and spectrophotometer readings measure turbidity. What is true of the spectrophotometric count method?
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At higher than optimal temperature, which of the following occurs?
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At lower than optimal temperature, which of the following occurs?
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At optimal temperature, which of the following occurs?
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An organism which has a temperature optimum of 37-39°C is called a
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An organism which has a temperature optimum of ~4°C is called a
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An organism which has a temperature optimum of 37-39°C but can grow at 4°C is called a
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An organism which has a temperature optimum of >75°C is called a
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To prevent spoilage, it's better to place your food in _____ containers in the refrigerator, so they cool more quickly.
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Turgor pressure refers to the pressure caused when water rushes _____ a cell.
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Osmotic pressure refers to the pressure caused when water rushes _____ a cell.
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_________ inside the cell offset the salt concentration outside the cell, allowing prokaryotes to withstand high salt environments.
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Which are true of the molecules described above?
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The organism in yellow, with a pH optimum of 7 is called a(n) _____________.
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The organism in green, with a pH optimum of 1.5 is called a(n) _____________.
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The organism in red, with a pH optimum of 11 is called a(n) _____________.
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In regard to surviving changing environmental pH, which of the following does NOT occur in all environments.
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Reactive oxygen species (ROS) are a natural byproduct of ______________ environments.
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Enzymes which allow organisms to counter the effects of reactive oxygen species include which of the following?
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The following are FTM media inoculations. Organism A is an example of a(n) ____________.
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The following are FTM media inoculations. Organism B is an example of a(n) ____________.
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The following are FTM media inoculations. Organism C is an example of a(n) ____________.
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The following are FTM media inoculations. Organism D is an example of a(n) ____________.
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The following are FTM media inoculations. Organism E is an example of a(n) ____________.
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A facultative halophile or halotolerant organism is one which
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Cells require trace elements for growth, these are the equivalent of our requirement for
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Cells require organic growth factors for growth, these are the equivalent of our requirement for
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Nucleic acids require which of the following chemicals for manufacture?
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Polysaccharides/Carbohydrates require which of the following chemicals for manufacture?
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Fats and phosopholipids require which of the following chemicals for manufacture?
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Proteins require which of the following chemicals for manufacture?
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Nucleic acids are found in which parts of the cell
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As discussed in lecture, proteins are found in which parts of the cell
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Lipids are found in which parts of the cell
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Polysaccharides/Carbohydrates are found in which parts of the cell
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Complex media have a recipe that is known down to the last molecule.
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When referring to staining, or media components, DIFFERENTIAL means
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When referring to staining, or media components, SELECTIVE means
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