Cell Structure and Function
An introduction to the structure and function of cells.
Cell Structure
Cells are the basic units of life. They have various structures that allow them to perform their functions.
Cell Membrane
The cell membrane is a thin, flexible barrier that surrounds the cell. It controls the movement of substances in and out of the cell.
Cytoplasm
The cytoplasm is a gel-like substance that fills the cell. It contains various organelles that carry out specific functions.
Nucleus
The nucleus is the control center of the cell. It contains the cell's DNA and regulates gene expression.
Frequently Asked Questions
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What is the function of mitochondria?
Mitochondria are responsible for producing energy in the form of ATP.
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What are the main differences between plant and animal cells?
Plant cells have cell walls and chloroplasts, while animal cells do not.
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How do cells communicate with each other?
Cells communicate through chemical signals and cell-to-cell contact.
Question Practices
- What is the function of the cell membrane?
- Which organelle is responsible for protein synthesis?
- What is the role of the nucleus in the cell? How do plant and animal cells differ in terms of structure?
- What are the functions of mitochondria?
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