Centrosomes and lysosome organelles are not found in plant cells.
In contrast to animal cells, plant cells have structures such as a cell wall, chloroplasts, plastids, and a central vacuole. Centrosomes and lysosomes are not present in plant cells.
As barriers and gatekeepers, cell membranes are important. Some compounds can diffuse over the lipid bilayer due to their semi-permeability, but others cannot. Because it regulates who and what enters and exits a cell, like a security guard does at a gate, the cell membrane is like a gatekeeper.
The "powerhouses of the cell" are known as mitochondria. They are organelles that function like the digestive system of the cell, consuming nutrients, digesting them, and producing molecules that are rich in energy.
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