Domains of Life; Prokaryotic vs. Eukaryotic Cells

ID #1002

In the lecture notes I see that it says "most" cells are very small. I understand the ratio between surface area and volume but I was wondering what the exception to a small size would be.

This is just an example of me covering my bases by not using absolute terms. :) Actually, there are some cells that are larger than others of the same type. For example, there are some bacterial species that are very large for bacteria, approaching the size of some eukaryotic cells. And there are some animal cells, like nerve cells, which can be longer than a meter in length, although this incredible length is due to extensions of the plasma membrane called axons -- the "main" part of the cell, called the cell body, is fairly typical in size.

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