Multiple Choice
Your intestine is lined with individual cells. No fluids leak between these cells from the gut into your body. Why?
5. Cell Components
Cell Junctions
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Which of the following statements correctly describes a common characteristic of a plant cell wall and an animal cell extracellular matrix?
A
Both contain large amounts of collagen.
B
Both are composed primarily of carbohydrates.
C
Both are permeable to water and small solutes, and both contain large amounts of collagen.
D
Both are permeable to water and small solutes, both contain large amounts of collagen, and both are composed primarily of carbohydrates.
E
Both are permeable to water and small solutes.
Verified step by step guidance1
Understand the structure and function of a plant cell wall: The plant cell wall is primarily composed of carbohydrates, such as cellulose, hemicellulose, and pectin. It provides structural support and protection, and it is permeable to water and small solutes.
Understand the structure and function of an animal cell extracellular matrix (ECM): The ECM is composed of proteins like collagen, elastin, and glycoproteins, as well as carbohydrates. It provides structural support and facilitates cell communication.
Identify the common characteristic: Both the plant cell wall and the animal cell ECM are permeable to water and small solutes, allowing for the exchange of nutrients and waste products.
Evaluate the options: The statement 'Both are permeable to water and small solutes' is correct because it accurately describes a shared characteristic of both structures.
Conclude that the correct answer is the option that highlights the permeability to water and small solutes, as this is a common feature of both the plant cell wall and the animal cell ECM.
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