10 Questions
What is the primary function of the cell membrane in maintaining homeostasis?
To exchange nutrients and waste with the environment
What is the purpose of the phospholipid bilayer in the cell membrane?
To create a barrier to the passage of water and soluble substances
What is the role of cholesterol in the cell membrane?
To provide fluidity and stability to the membrane
What type of protein is covalently bonded to the cell membrane?
Integral protein
What is the function of the cell membrane in relation to the environment?
To respond to changes in the environment
What is the primary function of aquaporins in the cell membrane?
Facilitating the movement of water molecules
What type of molecule can pass through ions channels in the cell membrane?
Specific ions
What is the primary difference between aquaporins and ion channels?
The type of molecule they allow to pass through
What is the common function of both aquaporins and ion channels?
Facilitating the movement of molecules across the cell membrane
What is the general category of proteins that includes both aquaporins and ion channels?
Transport proteins
Test your knowledge of the cell membrane's role in maintaining homeostasis, its components, and functions such as mechanical barrier, adhesion, exchange of substances, and response to environmental signals.
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