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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.
What else can I help you with?
Why do plant cells have rigid cells while animal cells don't have?
Plant cells have rigid cell walls composed of cellulose that provide structural support and protection. Animal cells do not have cell walls but instead have flexible cell membranes that allow for mobility and shape changes. The presence of cell walls in plant cells is essential for withstanding the pressure of water entering the cell.
What makes plant cells rigid?
the cell walls box like shape
Why differ from a typical animal and plant cells respectively?
Animal cells do not have a cell wall, while plant cells do. Plant cells typically have chloroplasts for photosynthesis, while animal cells do not. Animal cells can move and change shape more easily due to their flexible membrane, while plant cells are typically more rigid due to their cell wall.
What structures are found in plant cells that are not found in animal cells.?
Chloroplasts and rigid cell walls are two examples.
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 iscell structure that makes a plant cell more rigid than animal cell?
The cell wall, composed of cellulose, is the structure that makes plant cells more rigid than animal cells. It provides support and protection to the plant cell, helping maintain its shape and structure.
Why are plant cells rigid?
The cell wall makes plant cells rigid.
Why are animal cells flexible whereas plant cell are rigid?
Plant cells have a rigid cell wall made of cellulose that provides structural support and rigidity, whereas animal cells do not have a cell wall and rely on other structural components like the cytoskeleton for support. This difference in cell wall composition is what makes plant cells rigid and animal cells flexible.
What fluid mixture with organelles and other vital compounds in cells is the?
It is called the Cytoplasm. :)
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.
What does an animal cell have that plant cells don't?
Animal cells lack rigid cell walls and chloroplasts.
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.
Why do plant cells have rigid cells while animal cells don't have?
Plant cells have rigid cell walls composed of cellulose that provide structural support and protection. Animal cells do not have cell walls but instead have flexible cell membranes that allow for mobility and shape changes. The presence of cell walls in plant cells is essential for withstanding the pressure of water entering the cell.
Why cell lysis occurs for animal cell not for plant cell?
Cell lysis occurs more easily in animal cells than in plant cells because animal cells lack a rigid cell wall like plant cells do. The absence of a cell wall in animal cells makes them more susceptible to bursting under osmotic pressure changes or when exposed to external stressors. Plant cells are protected by their rigid cell walls, which provide structural support and help prevent cell lysis.
How is the shape of a animal cell different from plant cell?
Plant cells generally have a rectangular, rigid shape. Animal cells generally are rounded in shape.
Why are plant cells more rigid than animal cells?
Plant cells have a cell wall, which is made of cellulose and helps it maintain rigidity.
What are 2 difference between animal cells and plant cells?
Animal cells - 1 animal cells are generally small in size 2 cell wall is absent Plant cells - 1 plant cells are are larger than animal cells 2 the plasma membrane of plant cells is surrounded by a rigid cell wall of cellulose
