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Plant cells do not need contractile vacuoles because they have a rigid cell wall that provides structural support and helps maintain internal pressure. The cell wall prevents excessive water uptake, reducing the need for a contractile vacuole to regulate water balance. Plant cells also have large central vacuoles that help store nutrients and maintain turgor pressure.
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Are vacuoles found in plant cells and animal cells?
Yes, vacuoles are found in both plant and animal cells. However, plant cells typically have larger and more prominent vacuoles compared to animal cells. Vacuoles in plant cells primarily store water, nutrients, and waste products, while vacuoles in animal cells have diverse functions such as storing waste, regulating pH, and maintaining cell turgor.
Why do protists need contractile vacuoles?
Protists need contractile vacuoles to regulate their internal water balance. These organelles help expel excess water that enters the cell through osmosis, preventing the cell from bursting. Contractile vacuoles help maintain the proper internal environment necessary for protists to function.
What organelles do plant cells have that animal cells don?
Plant cells have chloroplasts, cell walls, and large central vacuoles, which are not found in animal cells. Chloroplasts allow plants to photosynthesize, cell walls provide structure and support, and vacuoles store water and nutrients.
Are vacuoles smaller or larger in plant cells than in animal cells?
Vacuoles are typically larger in plant cells than in animal cells. In plant cells, vacuoles can occupy up to 90% of the cell volume, providing structural support and storing nutrients. In contrast, animal cells have smaller vacuoles that primarily assist in intracellular digestion and waste removal.
Where are the vacuoles located in an animal cell?
Vacuoles in animal cells are typically smaller and less prominent compared to plant cells. They can be found throughout the cytoplasm but are not as easily visible as in plant cells which have larger central vacuoles. They often serve various functions such as storage, waste disposal, and maintaining cell turgidity.
What cell has vacuoles?
Plant cells have vacuoles, which are membrane-bound organelles responsible for storage of water, nutrients, and waste products. Vacuoles in plant cells help maintain the cell's turgor pressure and play a role in maintaining cell structure and regulating cell growth.
Why does a plant cells need vacuole?
The vacuoles in a cell hold water for the cell
Marine protoza do not have contractile vacule?
That's correct, marine protozoa do not have contractile vacuoles. Contractile vacuoles are typically found in freshwater protozoa and serve to regulate water balance by expelling excess water from the cell. Marine protozoa have adaptations to maintain water balance in a high-salt environment without the need for contractile vacuoles.
What can Contractile proteins are found in?
Contractile proteins are found in what?
Are vacuoles found in plant cells and animal cells?
Yes, vacuoles are found in both plant and animal cells. However, plant cells typically have larger and more prominent vacuoles compared to animal cells. Vacuoles in plant cells primarily store water, nutrients, and waste products, while vacuoles in animal cells have diverse functions such as storing waste, regulating pH, and maintaining cell turgor.
What is the major physical difference between vacuoles in plant cells and vacuoles in animal cells?
the vacuoles in an animal cell are smaller and help digest food, while plant cells have one central vacuole that takes up 60-90% of the cell depending on how much water it holds at a given time.
Why do you think ananiml cell does not have vaculoe?
Animal cells do not have a central vacuole like plant cells because their primary focus is on maintaining cell structure and function through other organelles like lysosomes and mitochondria. While animal cells may have small vacuoles involved in cellular processes such as exocytosis or storage, they are not central or as prominent as the vacuole in plant cells which primarily stores water and nutrients.
Why do protists need contractile vacuoles?
Protists need contractile vacuoles to regulate their internal water balance. These organelles help expel excess water that enters the cell through osmosis, preventing the cell from bursting. Contractile vacuoles help maintain the proper internal environment necessary for protists to function.
Are coroplasts cell walls and large vacuoles found in plant cells only?
Coroplasts are organelles found in plant cells only, where they are involved in photosynthesis. Cell walls are present in both plant and bacterial cells, but not in animal cells. Large vacuoles are found in plant cells, fungal cells, and some protist cells, but not in animal cells.
What is the major physical difference between vacuoles in an plant cell and vacuoles in an animal cell?
The main difference is that plant cells typically have a large central vacuole that takes up most of the cell volume, while animal cells have smaller, scattered vacuoles. Plant vacuoles also often store nutrients, pigments, and waste products, whereas animal cell vacuoles are mainly used for temporary storage of materials.
What organelles do plant cells have that animal cells don?
Plant cells have chloroplasts, cell walls, and large central vacuoles, which are not found in animal cells. Chloroplasts allow plants to photosynthesize, cell walls provide structure and support, and vacuoles store water and nutrients.
Are vacuoles smaller or larger in plant cells than in animal cells?
Vacuoles are typically larger in plant cells than in animal cells. In plant cells, vacuoles can occupy up to 90% of the cell volume, providing structural support and storing nutrients. In contrast, animal cells have smaller vacuoles that primarily assist in intracellular digestion and waste removal.
