It is important to keep the iner works of the cell in place, so they not move from their place of work.
cytoplast
The cytoplast manufactures food for the cell.
They're not important to animal cells because they're only in plant cells. They alow photosynthasis to occur. 6CO2 + 6H2O = C6H12O6 +6O2
Animal cells don't have chlorophyll.
It holds everything in
Organ
They, with their included Grana and Stroma, distingush Plant Cells from Animal Cells.
The animal cell has only 3 main types of cell 'ingredients' (cytoplast, cell surface membrane and the nucleus), whereas the plant cell has twice that many (chloroplast, cell wall, vacuole, cytoplasm, nucleus and the cell surface membrane).
Animal cells have centrioles, lysosomes, and flagella, which are structures that are typically absent in plant cells. These components play important roles in cell division, intracellular digestion, and cell movement in animal cells.
One important way that plant cells differ from animal cells is the presence of a cell wall in plant cells, which provides structure and support. Additionally, plant cells contain chloroplasts for photosynthesis, while animal cells do not. Plant cells also often have a large central vacuole for storage of water and nutrients, which is typically smaller or absent in animal cells.
Lysosomes are found in animal cells but not plant cells.
The presence of chloroplasts is an important organelle in classifying cells as plant cells, while the absence of them is a distinguishing feature of animal cells. Other organelles, such as the cell wall in plants and centrioles in animal cells, also help differentiate between the two types.