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Questions and Answers
What is the main purpose of homeostasis?
What is the main purpose of homeostasis?
- To prevent any external factors from affecting the body
- To only focus on maintaining internal stability
- To adjust to changing external conditions while maintaining internal stability (correct)
- To keep the body in a constant state without any changes
Which type of cells lack a nucleus and are simpler in structure?
Which type of cells lack a nucleus and are simpler in structure?
- Eukaryotic cells
- Cells with selective permeability
- Cells with membrane-bound organelles
- Prokaryotic cells (correct)
What is the role of cholesterol in biological membranes?
What is the role of cholesterol in biological membranes?
- Provides energy for cellular activities
- Not present in most prokaryotes
- Acts as a structural component in all types of cells (correct)
- Helps in long-distance cell-cell communication
Which cellular component is responsible for functional separation within the cell?
Which cellular component is responsible for functional separation within the cell?
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What do eukaryotic cells have that prokaryotic cells lack?
What do eukaryotic cells have that prokaryotic cells lack?
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What is the key characteristic of plasma membranes in cells?
What is the key characteristic of plasma membranes in cells?
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What is the primary function of the Golgi apparatus in a cell?
What is the primary function of the Golgi apparatus in a cell?
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What is the primary role of mitochondria in a cell?
What is the primary role of mitochondria in a cell?
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Which of the following is not a key player in cellular energy metabolism?
Which of the following is not a key player in cellular energy metabolism?
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What is the primary function of lysosomes in a cell?
What is the primary function of lysosomes in a cell?
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What is the energy currency molecule used in cells?
What is the energy currency molecule used in cells?
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Which of the following energy sources can be metabolized through the process of beta-oxidation?
Which of the following energy sources can be metabolized through the process of beta-oxidation?
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