science
Grade-10
Easy
Question
Which of the following transport system is used by gases such as O2 and CO2 to cross the membrane?
- Through cholesterol by passive diffusion
- Through Haemoglobin by passive transport
- Through lipid bilayer by passive diffusion
- Primary transport - Sucrose
Hint:
The gases like CO2, and O2 pass through the cell by a lipid bilayer.
The correct answer is: Through lipid bilayer by passive diffusion
- The simple diffusion is done through membrane protein channels by passive transport.
- The gases like oxygen and carbon dioxide pass in and out of the membrane by active transport.
- This active transport of gases is done through the lipid bilayer.
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