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Questions and Answers
What is the primary mechanism by which gases move during gas exchange?
What is the primary mechanism by which gases move during gas exchange?
- Facilitated diffusion
- Osmosis
- Active transport
- Passive diffusion (correct)
What is the primary factor that necessitates an efficient gas exchange system in living organisms?
What is the primary factor that necessitates an efficient gas exchange system in living organisms?
- Energy production
- Cell division
- Metabolic waste elimination (correct)
- Nutrient absorption
In unicellular organisms, what is typically the gas exchange membrane?
In unicellular organisms, what is typically the gas exchange membrane?
- Nuclear membrane
- Mitochondrial membrane
- Cell membrane (correct)
- Endoplasmic reticulum membrane
In larger organisms, what structure is typically involved in gas exchange?
In larger organisms, what structure is typically involved in gas exchange?
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What is the primary role of the gas-permeable membrane in gas exchange?
What is the primary role of the gas-permeable membrane in gas exchange?
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