Function of lysosomes for kids
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Organelles
Organelles are specialized structures that perform various jobs inside cells. The term literally means “little organs.” In the same way organs, such as the heart, liver, stomach, and kidneys, serve specific functions to keep an organism alive, organelles serve specific functions to keep a cell alive.
Cells are grouped into two different categories, prokaryotic cells and eukaryotic cells, which are primarily differentiated by the presence of one organelle, the nucleus. Prokaryotic cells do not have a nucleus, whereas eukaryotic cells do. A nucleus is a large organelle that stores DNA and serves as the cell’s command center. Single-cell organisms are usually prokaryotic, while multi-cell organisms are usually made of eukaryotic cells.
Another large organelle found in eukaryotic cells is the mitochondrion, an organelle responsible for making ATP, a chemical that organisms use for energy. Cells often contain hundreds of mitochondria. These mitochondria have an outer membrane, which encases the organelle, and an inner membrane, which folds over several times to create a multi-layered structure known as cristae. The fluid inside the mitochondria is called the matrix, which is filled with proteins and mitochondrial DNA.
Chloroplasts are another organelle that contain a
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Lysosomes are one of the most vital cell organelles found in eukaryotic animal cells. These membrane-bound sacs contain powerful hydrolytic enzymes that break down cellular debris, digest biomolecules, and recycle waste materials. Due to their ability to self-destruct, they are often referred to as “suicidal bags” of the cell.
Lysosomes were first discovered by Christian de Duve, a Belgian scientist, who won the Nobel Prize in Medicine or Physiology in for this discovery.
“Lysosomes are spherical vesicles filled with digestive enzymesthat break down various biomolecules and cellular debris.”
In simple terms, lysosomes function as the waste disposal system of the cell. They digest and recycle unnecessary cellular materials, ensuring smooth cell functioning.
Lysosomes have a single-layered membrane enclosing a fluid-filled space called the lumen. The lumen contains over 50 hydrolytic enzymes responsible for breaking down proteins, carbohydrates, lipids, and nucleic acids.
Key Structural Features:
Membrane: Protects enzymes from leaking into the cytoplasm.
Lumen: Acidic environment (pH –) to aid digestion.
Variable Size: Ranges from μm to μm.
Enzyme Complexes: Help in the breakdown of biological polymers.
Why are Lysosomes Called Suicidal Bags?
Lysosomes di
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Lysosome facts compel kids
Not assume be disorganized with Muramidase or lectins.
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