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Because they have to be. Plant cells have lignin and cellulose to keep them rigid so that they can hold themselves up to hold up leaves to the sun. Otherwise, the plant would be a pancake. Water plants lack lignin because they don't need to hold themselves up - their bouyancy in the water does that.
Animal cells need to be flexible, and the structural support in an animal body comes from bones.
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∙ 13y ago
Wiki User
∙ 9y agoPlant cells have a thick, firm wall of cellulose around them.
Wiki User
∙ 9y agoPlant cells have a thick, firm wall of cellulose around them.
Wiki User
∙ 13y agoI believe it would be the cell wall because it is much stronger then just a cell membrane so it could make the exterior of the cell more rigid and sturdy.
Wiki User
∙ 13y agoplant cells are stronger than animal cells because, they have plates like walls protecting the inside of the plant
Wiki User
∙ 10y agoPlant cells have a cell wall (very ridged) on the outside of the cell, unlike animal cells which have a cell membrane (not as ridged as a cell wall) on the outside of the cell.
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Why do plant cells have rigid cells while animal cells don't have?
Presence of cell wall in plant cells make them rigid; animal cells are not rigid because these are without cell wall.
What accounts for an animal cell's less rigid shape compared to plant cells?
i think the answer shpuld be round to circle
Which Possess rigid walls that cannot be pinched in two plant or animal cells?
plant cells
What is the difference between plant cells and animal cells?
Both plant and animal cells have cell membranes. Plant cells also contain what is called a cell wall. This cell wall gives plants cells much of its structure and makes them fairly rigid. In plant cells you are also likely to find chloroplasts which are used in photosynthesis, where as no animal cell will ever have a chloroplast.
What is the thickness of an animal cell wall is it rigid or flexible?
Animal cells don't have cell walls. Only plant cells do - they are rigid to help keep the shape of the cell. Both plant and animal cells have cell membranes which are flexible and are meant to regulate what goes into the cell.
Why are plant cells rigid?
The cell wall makes plant cells rigid.
What iscell structure that makes a plant cell more rigid than animal cell?
Each plant cell has a rigid outer layer called a cell wall. Animal cells do not have this structure.
Why do plant cells have rigid cells while animal cells don't have?
Presence of cell wall in plant cells make them rigid; animal cells are not rigid because these are without cell wall.
What fluid mixture with organelles and other vital compounds in cells is the?
It is called the Cytoplasm. :)
What accounts for an animal cell's less rigid shape compared to plant cells?
i think the answer shpuld be round to circle
What makes plant cell more rigid than animal cell?
Plant cells have a rigid cell wall made of cellulose that provides structural support, while animal cells do not have this feature. The cell wall allows plant cells to resist osmotic pressure and maintain their shape, giving them a more rigid structure compared to animal cells.
Which Possess rigid walls that cannot be pinched in two plant or animal cells?
plant cells
What does an animal cell have that plant cells don't?
Animal cells lack rigid cell walls and chloroplasts.
List Two organelles that plant cells have but animal cells do not?
Plant cells have chloroplasts and cell walls, which animal cells don't have.
What is the differences between plant cells and animal cells?
Both plant and animal cells have cell membranes. Plant cells also contain what is called a cell wall. This cell wall gives plants cells much of its structure and makes them fairly rigid. In plant cells you are also likely to find chloroplasts which are used in photosynthesis, where as no animal cell will ever have a chloroplast.
What is the difference between plant cells and animal cells?
Both plant and animal cells have cell membranes. Plant cells also contain what is called a cell wall. This cell wall gives plants cells much of its structure and makes them fairly rigid. In plant cells you are also likely to find chloroplasts which are used in photosynthesis, where as no animal cell will ever have a chloroplast.
What is an outside covering that all plant cells have and that is not found in animal cells?
The cell wall is the outside covering that all plant cells have. This cell wall is not found in animal cells.
