Multiple Choice
What are the primary functions of carbohydrates in cells?
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4. Biomolecules
Carbohydrates
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What function do carbohydrates fulfill in the plasma membrane?
A
They provide structural support to the membrane.
B
They facilitate cell-cell recognition and communication.
C
They act as channels for ion transport.
D
They serve as energy storage molecules.
Verified step by step guidance1
Understand the structure of the plasma membrane: The plasma membrane is composed of a phospholipid bilayer with embedded proteins, cholesterol, and carbohydrates.
Identify the role of carbohydrates in the plasma membrane: Carbohydrates are attached to proteins (forming glycoproteins) or lipids (forming glycolipids) on the extracellular surface of the membrane.
Explore the function of carbohydrates in cell-cell recognition: Carbohydrates on the plasma membrane serve as recognition sites for other cells and molecules, facilitating communication and interaction.
Consider the importance of carbohydrates in immune response: The specific patterns of carbohydrates on cell surfaces can be recognized by immune cells, aiding in the identification of foreign cells or pathogens.
Conclude the primary function: Carbohydrates in the plasma membrane are crucial for cell-cell recognition and communication, rather than structural support, ion transport, or energy storage.
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