What is the purpose of thin-walled cells?

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Discussion Overview

The discussion revolves around the purpose of thin-walled cells in biological organisms, contrasting them with thick-walled cells and exploring their functions in various contexts, including plant and animal cells.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants suggest that thin-walled cells serve specific functions that differ from those of thick-walled cells, particularly in nutrient absorption and gas exchange.
  • One participant proposes that thin walls act as protective barriers within thicker cell walls, safeguarding internal components like the nucleus.
  • Another participant emphasizes that not all cells are designed to support the organism structurally, citing examples such as stomach cells and root cells that require thin walls for their specific functions.
  • Examples are provided, including leaf cells needing thin walls to facilitate gas exchange and allow sunlight to reach chlorophyll.

Areas of Agreement / Disagreement

Participants express differing views on the functions of thin-walled cells, with no consensus reached on a singular purpose. Multiple competing perspectives are presented regarding their roles in various types of cells.

Contextual Notes

The discussion highlights the complexity of cell functions and the need for specific conditions, such as nutrient uptake and light penetration, which may influence the structure of cell walls.

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Cells with thick wall can support the whole organisms. Then what is the function of thin wall?
 
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I don't remember much of my biology, but I thought it had something to do with acting as a protective barrier within the thick wall of the cell, protecting different parts like the nucleus.
 
Well, of course not all cells function to support the organism. Technically only plant cells have cell walls, but cells in the bones of a mammal secrete material that forms an extra cellular matrix making up the bone. Cells in your stomach that are supposed to take up nutrients from digested food should not have a thick layer around them as that would hinder intake of nutrients. Same for certain cells in the roots of a tree. As an other example, cells in the leaves of a plant have to be able to take in oxygen and release carbondioxide so they cannot have a thick cell wall, also sunlight must be able to reach the chlorofyl within the cells so they cannot have a wall that blocks sunlight.

I guess you can come up with many, many more examples yourself.
 
Interesting, you learn something new everyday.
 

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