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Questions and Answers
• The protoplasm lying outside the nucleus is called the ______.
cytoplasm
• The outer layer of the cell wall is called the ______.
primary
• The layer that adds strength to the cell wall is the ______ cell wall.
secondary
Calcium pectate is partly converted into more soluble forms during fruit ripening, which loosens the cells and makes the fruit ______.
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Aside from cellulose, the secondary walls usually contain ______, a complex organic compound that adds hardness and rigidity to cell walls.
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Plastids, including chromoplasts and leucoplasts, are large membrane-bound organelles found in the cytoplasm of most plant cells.
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Study Notes
Cell Structure
- Protoplasm outside the nucleus is called the cytoplasm.
- The outer layer of the cell wall is called the primary cell wall.
Cell Wall Composition
- The layer that adds strength to the cell wall is the secondary cell wall.
- The secondary walls usually contain lignin, a complex organic compound that adds hardness and rigidity to cell walls.
Fruit Ripening
- Calcium pectate is partly converted into more soluble forms during fruit ripening, which loosens the cells and makes the fruit softer.
Organelles
- Plastids, including chromoplasts and leucoplasts, are large membrane-bound organelles found in the cytoplasm of most plant cells.
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Description
Test your knowledge on the structure of plant cells with this quiz! Learn about the different layers of the cell wall, including the primary and secondary cell wall, middle lamella, and plasma membrane. Explore the functions of the organelles found in the cytoplasm and deepen your understanding of plant cell biology. Challenge yourself with this informative and engaging quiz!
