Multiple Choice
What is the primary function of the villi in the small intestine?
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5. Cell Components
Introduction to Eukaryotic Organelles
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Which of the following best distinguishes the vascular stem system of dicots from that of monocots?
A
Both dicots and monocots have vascular bundles arranged randomly.
B
Dicots have scattered vascular bundles, while monocots have them arranged in a ring.
C
Dicots lack vascular bundles, while monocots possess them.
D
Dicots have vascular bundles arranged in a ring, while monocots have scattered vascular bundles.
Verified step by step guidance1
Understand the key difference between dicots and monocots in terms of their vascular system. Dicots and monocots are two major groups of flowering plants, and their vascular bundle arrangement is a distinguishing feature.
Recall that vascular bundles are structures in plants that contain xylem and phloem, responsible for transporting water, nutrients, and sugars throughout the plant.
In dicots, the vascular bundles are arranged in a ring within the stem. This ring-like arrangement is a characteristic feature of dicots and contributes to their ability to form secondary growth (wood).
In monocots, the vascular bundles are scattered throughout the stem. This random arrangement is a defining characteristic of monocots and prevents them from forming secondary growth.
Compare the options provided in the problem and identify the correct statement: 'Dicots have vascular bundles arranged in a ring, while monocots have scattered vascular bundles.' This matches the biological distinction between dicots and monocots.
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