Overview of animal and plant cells | Biology | Khan Academy | Summary and Q&A

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July 30, 2015
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Overview of animal and plant cells | Biology | Khan Academy

TL;DR

This video provides an overview of the key differences between plant and animal cells, including the presence of a cell wall and central vacuole in plant cells, and the presence of lysosomes and centrosomes in animal cells.

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Questions & Answers

Q: What is the main difference between plant and animal cells?

The main difference is that plant cells have a cell wall, while animal cells do not. This cell wall provides structural support for the plant cell.

Q: What are plasmodesmata and gap junctions?

Plasmodesmata are channels that allow for communication and exchange of molecules between plant cells. Gap junctions are similar structures in animal cells that allow for communication between adjacent cells.

Q: What is the function of the central vacuole in plant cells?

The central vacuole stores fluid, enzymes, and waste materials. It also provides structural support for the plant cell.

Q: What is the function of lysosomes in animal cells?

Lysosomes are responsible for breaking down waste materials and recycling cellular components. They contain enzymes that can break down proteins, lipids, and carbohydrates.

Summary & Key Takeaways

  • Both plant and animal cells have an extracellular matrix, plasma membrane, and cytoskeleton.

  • Plant cells have a cell wall, while animal cells do not.

  • Plant cells have plasmodesmata, while animal cells have gap junctions.

  • Plant cells have a central vacuole, while animal cells have lysosomes.

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