Biology Cell Part 5 (Size of Cells) Class 8 VIII | Summary and Q&A

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August 20, 2015
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Biology Cell Part 5 (Size of Cells) Class 8 VIII

TL;DR

Cells can vary in size, ranging from small bacteria cells measuring 0.3 microns to large ostrich eggs measuring 170 mm by 130 mm.

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Key Insights

  • ☄ī¸ Cells come in a variety of sizes and shapes.
  • 🛩ī¸ Bacterial cells can be as small as 0.3 microns.
  • đŸ’Ŧ The largest cell is an ostrich egg, measuring 170 mm by 130 mm.
  • 🤒 Nerve cells are the longest cells, with lengths of 1 to 2 meters.
  • ❓ Cell size is not determined by the size of the organism.
  • đŸĒē Cell size is important for various functions, such as storing nutrients in large cells like the ostrich egg.
  • 💁 The diversity of cell sizes reflects the diversity of life forms.

Transcript

hello friends this video on cell part 5 is brought to you by exam feel calm no more fear from exam so not only shape but signs of the cell also matters and signs of the cell again also shows a huge diversity so when we talk about cell size cells exist in a variety of shapes as well as sizes so signs of a cell also combining from very small that is ... Read More

Questions & Answers

Q: What is the range of sizes for bacterial cells?

Bacterial cells can range from 0.3 microns, a size similar to the smallest bacteria, up to larger sizes.

Q: How big is an ostrich egg?

An ostrich egg can measure 170 mm by 130 mm, making it one of the largest cells in terms of size.

Q: What is the size of a nerve cell?

Nerve cells, or neurons, can be the longest cells, with lengths ranging from 1 to 2 meters.

Q: Is cell size dependent on the size of the organism?

No, the size of a cell is independent of the size of the plant or animal it belongs to.

Summary & Key Takeaways

  • Cell size and shape can vary significantly, from small bacteria to large ostrich eggs.

  • The size of a cell is independent of the size of the organism it belongs to.

  • The largest cell is an ostrich egg, while the longest cell is a nerve cell.

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