INTRODUCTION
CELL STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Cell Membrane
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protective covering of all cells that regulates interaction between cell and environment
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rigid structure that encloses and supports plant cells
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gel-like mixture inside cell
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organelle containing hereditary material and controls activities
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Explanation:
Detailed explanation-1: -Only transmembrane proteins can function on both sides of the bilayer or transport molecules across it. Cell-surface receptors are transmembrane proteins that bind signal molecules in the extracellular space and generate different intracellular signals on the opposite side of the plasma membrane.
Detailed explanation-2: -Plant cells have a cell wall, a large central vacuole, and plastids such as chloroplasts. The cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell, providing structural support and protection.
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