Podcast
Questions and Answers
Which of the following is NOT a characteristic of prokaryotic cells?
Which of the following is NOT a characteristic of prokaryotic cells?
- They have a well-defined nucleus. (correct)
- They lack a membrane-bound nucleus.
- They have a cell wall.
- They contain ribosomes.
What is the primary function of a bacterial flagellum?
What is the primary function of a bacterial flagellum?
- Adherence to surfaces.
- Secretion of waste products.
- Movement in liquid environments. (correct)
- Synthesis of proteins.
Which type of bacteria obtains energy from chemical processes?
Which type of bacteria obtains energy from chemical processes?
- Chemosynthetic bacteria (correct)
- Parasitic bacteria
- Photosynthetic bacteria
- Saprotrophic bacteria
Which type of bacteria plays a crucial role in decomposition?
Which type of bacteria plays a crucial role in decomposition?
What is the name of the process by which bacteria reproduce?
What is the name of the process by which bacteria reproduce?
Which of the following terms describes an organism that feeds on dead or decaying tissues of other organisms?
Which of the following terms describes an organism that feeds on dead or decaying tissues of other organisms?
Under what conditions do bacteria form endospores?
Under what conditions do bacteria form endospores?
Which of the following is a tough, protective structure found in bacteria that allows them to survive unfavorable conditions?
Which of the following is a tough, protective structure found in bacteria that allows them to survive unfavorable conditions?
Which of the following is NOT a characteristic of protists?
Which of the following is NOT a characteristic of protists?
What is the primary function of a plasmid in a bacterial cell?
What is the primary function of a plasmid in a bacterial cell?
What is the main reason protists are not classified into the plant, animal, or fungi kingdoms?
What is the main reason protists are not classified into the plant, animal, or fungi kingdoms?
Which bacterial shape is described as a comma-shaped structure?
Which bacterial shape is described as a comma-shaped structure?
What is the term used to describe an organism that lives off of dead organic matter?
What is the term used to describe an organism that lives off of dead organic matter?
Which of the following is NOT a characteristic of all bacterial cells?
Which of the following is NOT a characteristic of all bacterial cells?
A bacterium divides into two identical daughter cells. What is this process called?
A bacterium divides into two identical daughter cells. What is this process called?
Which of these processes is NOT directly involved in the nitrogen cycle?
Which of these processes is NOT directly involved in the nitrogen cycle?
What is the primary role of bacteria and fungi in the environment?
What is the primary role of bacteria and fungi in the environment?
Which of the following is a true statement about bacteria?
Which of the following is a true statement about bacteria?
Which type of organism is responsible for converting atmospheric nitrogen into ammonia and nitrates?
Which type of organism is responsible for converting atmospheric nitrogen into ammonia and nitrates?
Which of the following is NOT a type of bacterial shape?
Which of the following is NOT a type of bacterial shape?
What is a symbiotic relationship?
What is a symbiotic relationship?
Which statement best describes the role of autotrophic bacteria in the environment?
Which statement best describes the role of autotrophic bacteria in the environment?
Which of these is NOT a characteristic of decomposers?
Which of these is NOT a characteristic of decomposers?
What is the process by which de-nitrifying bacteria return nitrogen to the atmosphere?
What is the process by which de-nitrifying bacteria return nitrogen to the atmosphere?
What is the mode of nutrition for phytoplankton?
What is the mode of nutrition for phytoplankton?
Which of the following is NOT a characteristic of fungi?
Which of the following is NOT a characteristic of fungi?
Which of the following best describes the role of hyphae in fungi?
Which of the following best describes the role of hyphae in fungi?
Why are viruses not classified into any of the five kingdoms?
Why are viruses not classified into any of the five kingdoms?
Which of the following is a characteristic that distinguishes fungi from algae?
Which of the following is a characteristic that distinguishes fungi from algae?
What is the independent variable in the bread mold experiment?
What is the independent variable in the bread mold experiment?
Which of the following would NOT be a plausible hypothesis for the bread mold experiment?
Which of the following would NOT be a plausible hypothesis for the bread mold experiment?
What is the most likely reason the bread mold grew most on the window sill?
What is the most likely reason the bread mold grew most on the window sill?
Which of the following best describes the relationship between mycorrhizal fungi and plant roots?
Which of the following best describes the relationship between mycorrhizal fungi and plant roots?
Which of these forms of nitrogen are directly usable by plants?
Which of these forms of nitrogen are directly usable by plants?
The presence of mycorrhizal fungi in the soil would most likely have which of the following effects on plant growth?
The presence of mycorrhizal fungi in the soil would most likely have which of the following effects on plant growth?
Which of the following best describes the role of bacteria in the nitrogen cycle?
Which of the following best describes the role of bacteria in the nitrogen cycle?
What is the primary benefit that humans derive from their symbiotic relationship with E. coli bacteria in their gut?
What is the primary benefit that humans derive from their symbiotic relationship with E. coli bacteria in their gut?
In the symbiotic relationship between a fungus and an alga, which organism provides protection from the environment?
In the symbiotic relationship between a fungus and an alga, which organism provides protection from the environment?
Identify the type of symbiosis that describes the relationship between nitrogen-fixing bacteria and leguminous plants.
Identify the type of symbiosis that describes the relationship between nitrogen-fixing bacteria and leguminous plants.
What is the primary source of nitrates for plants?
What is the primary source of nitrates for plants?
Which of the following is a characteristic of all ruminants?
Which of the following is a characteristic of all ruminants?
What is the primary role of algae in a lichen?
What is the primary role of algae in a lichen?
Which of these statements accurately describes the relationship between E. coli and humans?
Which of these statements accurately describes the relationship between E. coli and humans?
Which symbiotic relationship involves one organism benefiting while the other is unharmed?
Which symbiotic relationship involves one organism benefiting while the other is unharmed?
Which type of symbiosis is exemplified by a tapeworm inhabiting the intestines of a human?
Which type of symbiosis is exemplified by a tapeworm inhabiting the intestines of a human?
Flashcards
Nucleoid
Nucleoid
The irregular loop of DNA in prokaryotic cells, lacking a membrane.
Prokaryotic
Prokaryotic
Cells without a membrane-bound nucleus, like bacteria.
Plasmid
Plasmid
A small, circular, double-stranded DNA molecule found in bacteria's cytoplasm.
Flagellum
Flagellum
Signup and view all the flashcards
Autotrophic bacteria
Autotrophic bacteria
Signup and view all the flashcards
Heterotrophic bacteria
Heterotrophic bacteria
Signup and view all the flashcards
Binary fission
Binary fission
Signup and view all the flashcards
Endospores
Endospores
Signup and view all the flashcards
Saprophytic
Saprophytic
Signup and view all the flashcards
Bacterial Shapes
Bacterial Shapes
Signup and view all the flashcards
Cell Wall
Cell Wall
Signup and view all the flashcards
Cytoplasm
Cytoplasm
Signup and view all the flashcards
Slime Capsule
Slime Capsule
Signup and view all the flashcards
Chitin
Chitin
Signup and view all the flashcards
Hyphae
Hyphae
Signup and view all the flashcards
Mycelium
Mycelium
Signup and view all the flashcards
Asexual reproduction in yeasts
Asexual reproduction in yeasts
Signup and view all the flashcards
Multicellular fungal spores
Multicellular fungal spores
Signup and view all the flashcards
Five kingdoms of life
Five kingdoms of life
Signup and view all the flashcards
Dependent variable
Dependent variable
Signup and view all the flashcards
Independent variable
Independent variable
Signup and view all the flashcards
E.coli
E.coli
Signup and view all the flashcards
Mutualistic bacteria
Mutualistic bacteria
Signup and view all the flashcards
Mycorrhiza
Mycorrhiza
Signup and view all the flashcards
Nitrogen fixation
Nitrogen fixation
Signup and view all the flashcards
Symbiosis
Symbiosis
Signup and view all the flashcards
Decomposers
Decomposers
Signup and view all the flashcards
Role of Micro-organisms
Role of Micro-organisms
Signup and view all the flashcards
Nitrogen Cycle
Nitrogen Cycle
Signup and view all the flashcards
Denitrification
Denitrification
Signup and view all the flashcards
Symbiotic Relationships
Symbiotic Relationships
Signup and view all the flashcards
Producers in Food Chains
Producers in Food Chains
Signup and view all the flashcards
Mutualism
Mutualism
Signup and view all the flashcards
Commensalism
Commensalism
Signup and view all the flashcards
Parasitism
Parasitism
Signup and view all the flashcards
Lichens
Lichens
Signup and view all the flashcards
Ruminant
Ruminant
Signup and view all the flashcards
Nitrogen-fixing bacteria
Nitrogen-fixing bacteria
Signup and view all the flashcards
Escherichia coli (E. coli)
Escherichia coli (E. coli)
Signup and view all the flashcards