Multiple Choice
Which stage is the third stage of development and lasts from two months through birth?
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11. Cell Division
Introduction to Cell Division
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How do cells in a meristem differ from cells in other types of plant tissue?
A
Meristematic cells have thick, lignified cell walls, whereas other plant cells have thin cell walls.
B
Meristematic cells contain chloroplasts and perform photosynthesis, unlike other plant cells.
C
Meristematic cells are dead at maturity, while most other plant cells remain alive.
D
Meristematic cells are undifferentiated and capable of continuous division, while most other plant cells are differentiated and have limited ability to divide.
Verified step by step guidance1
Understand the role of meristematic cells: Meristematic cells are specialized plant cells found in regions of active growth, such as the tips of roots and shoots. They are undifferentiated, meaning they have not yet specialized into specific cell types, and they retain the ability to divide continuously.
Compare meristematic cells to other plant cells: Most other plant cells are differentiated, meaning they have specialized structures and functions (e.g., xylem cells for water transport or phloem cells for nutrient transport). Differentiated cells typically have limited or no ability to divide.
Analyze the structural differences: Meristematic cells generally have thin, primary cell walls that allow for flexibility and division. In contrast, some differentiated cells, like those in the xylem, may have thick, lignified walls for structural support.
Consider the functional differences: Meristematic cells are primarily involved in growth and development through cell division. Differentiated cells, on the other hand, perform specific functions such as photosynthesis (in chloroplast-containing cells) or transport (in vascular tissues).
Conclude with the correct answer: The key distinction is that meristematic cells are undifferentiated and capable of continuous division, while most other plant cells are differentiated and have limited ability to divide.
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