Ribosomes
The ribosome is an organelle that does not contain a partially permeable membrane. Unlike membrane-bound organelles such as the nucleus or mitochondria, ribosomes are composed of ribosomal RNA and proteins, and they exist freely in the cytoplasm or attached to the endoplasmic reticulum. They function in protein synthesis without the need for a membrane structure.
Plant cells contain chloroplasts, which are membrane-bound organelles that carry out photosynthesis. This organelle is not found in animal cells.
A membrane-bound organelle is an organelle surrounded by a plasma membrane.
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The mitochondria is the energy producer.The Mitochondria(-ion) is the organelle responsible for the production of adenosine triphosphate (ATP). It has a double-membrane: an outer membrane and a highly convoluted inner membrane. It's inner membrane has folds or shelf-like structures called cristae that contain "elementary particles"; these particles contain enzymes that are important in ATP production.
when an organelle is membrane bound that means that the organelle has a protective shield around it.
The mitochondria a membrane bound organelle. It has it's own DNA.
Ribosomes are found in all cells, including bacteria. Some people reserve the word "organelle" for subcellular structures that have a membrane around them, in which case bacteria contain no organelles at all. Other people are happy to call ribosomes organelles, in which case that is your answer.
Yes, a lysosome is a membrane-bound organelle found in animal cells.
The cell membrane is an organelle, but cytoplasm is not an organelle, it is just a substance.
Ribosome is a cell organelle not bounded by membrane. It is responsible for protein synthesis in the cell.
The cell membrane (I think)