Podcast
Questions and Answers
What is the primary function of mitochondria in a cell?
What is the primary function of mitochondria in a cell?
- Energy production (correct)
- DNA replication
- Photosynthesis
- Protein synthesis
Where does glycolysis occur in a cell?
Where does glycolysis occur in a cell?
- Nucleus
- Mitochondria
- Cytoplasm (correct)
- Chloroplast
What does the term autotroph mean?
What does the term autotroph mean?
- Organism that decomposes dead matter
- Organism that relies on chemical energy
- Organism that consumes other organisms for energy
- Organism that produces its own food (correct)
What is the role of helicase in DNA replication?
What is the role of helicase in DNA replication?
Which of the following organisms is classified as a tertiary consumer?
Which of the following organisms is classified as a tertiary consumer?
Which statement about the energy flow in an ecosystem is accurate?
Which statement about the energy flow in an ecosystem is accurate?
What are the base-pairing rules for DNA?
What are the base-pairing rules for DNA?
What type of consumer eats primarily producers?
What type of consumer eats primarily producers?
What is the purpose of a hypothesis in scientific research?
What is the purpose of a hypothesis in scientific research?
Which of the following is NOT one of the four main categories of carbon-based molecules?
Which of the following is NOT one of the four main categories of carbon-based molecules?
What is the primary gas that photosynthesis removes from the atmosphere?
What is the primary gas that photosynthesis removes from the atmosphere?
In the context of ecology, what best defines a biome?
In the context of ecology, what best defines a biome?
Which of the following processes describes nitrogen fixation?
Which of the following processes describes nitrogen fixation?
What type of factor is population density considered in ecology?
What type of factor is population density considered in ecology?
Which of the following statements accurately describes secondary succession?
Which of the following statements accurately describes secondary succession?
What role do plants, algae, and bacteria play in an ecosystem?
What role do plants, algae, and bacteria play in an ecosystem?
Flashcards
Hypothesis
Hypothesis
A testable explanation for a phenomenon or observation.
Scientific Method
Scientific Method
A scientific method approach that involves a series of systematic steps to investigate a phenomenon.
Nitrogen Fixation
Nitrogen Fixation
The process by which nitrogen gas is converted into a form that can be used by plants.
Ecology
Ecology
The study of interactions between living organisms and their environment.
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Population Density
Population Density
The number of individuals of a specific species in a given area.
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Biome
Biome
A large-scale community characterized by specific climate and plants.
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Pioneer Species
Pioneer Species
Organisms that colonize an area after major disturbances.
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Succession
Succession
Changes in species composition of a community over time.
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What is the power house of the cell?
What is the power house of the cell?
The organelle responsible for producing ATP, the energy currency of cells.
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Where do the stages of cellular respiration take place?
Where do the stages of cellular respiration take place?
Glycolysis occurs in the cytoplasm, the Krebs cycle occurs in the mitochondria matrix, and the electron transport chain occurs in the inner mitochondrial membrane.
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What is cellular respiration?
What is cellular respiration?
The process of breaking down glucose to release energy in the form of ATP.
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What are the four nitrogenous bases in DNA?
What are the four nitrogenous bases in DNA?
Adenine, Guanine, Cytosine, Thymine.
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What is DNA replication?
What is DNA replication?
DNA replication is the process by which a DNA molecule is copied to produce two identical DNA molecules.
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What are the base pairing rules for DNA?
What are the base pairing rules for DNA?
A, T, C, and G. Adenine pairs with Thymine, and Cytosine pairs with Guanine.
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What is a food chain?
What is a food chain?
A food chain shows the linear flow of energy from one organism to another. For example, Sun -> Grass -> Rabbit -> Fox.
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What is decomposition?
What is decomposition?
The process by which decomposers break down dead organisms and waste products, returning nutrients to the ecosystem.
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