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Which cell organelles are examples for membrane less cell organelles?
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Which cell organelles are examples for membrane less cell organelles?
Membrane-less Cell Organelles
There are some cell organelles that do not have a membrane-bound structure. These organelles are formed by the condensation of specific macromolecules, such as proteins and RNA molecules. Let's discuss some examples of membrane-less cell organelles:
- Ribosomes: Ribosomes are the protein synthesis factories of the cell. They are made up of two subunits containing RNA and proteins. Ribosomes are found in both prokaryotic and eukaryotic cells. They are not surrounded by any membrane, and they float freely in the cytoplasm or can be attached to the endoplasmic reticulum.
- Nucleolus: The nucleolus is a structure found inside the nucleus of eukaryotic cells. It is responsible for the synthesis and assembly of ribosomal RNA. The nucleolus is not surrounded by any membrane, and it is formed due to the aggregation of specific proteins and RNA molecules.
- Stress Granules: Stress granules are formed in response to cellular stress, such as heat shock or viral infection. They are composed of RNA and proteins and are not surrounded by any membrane. Stress granules help to protect the cell by storing mRNA and preventing their translation until the stress conditions are resolved.
- P-bodies: P-bodies are cytoplasmic structures that are involved in the degradation of mRNA. They are formed by the aggregation of specific proteins and RNA molecules and are not surrounded by any membrane.
- Centrosomes: Centrosomes are involved in cell division and are composed of two centrioles. They are not surrounded by any membrane and are formed due to the aggregation of specific proteins.
Membrane-less cell organelles play important roles in various cellular processes, such as protein synthesis, RNA regulation, and cell division. These organelles are also involved in the response of cells to various stress conditions.
Community Answer
Which cell organelles are examples for membrane less cell organelles?
Except mitochondria and plastids all are membrane less organelles (in eukaryotic cells)
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Which cell organelles are examples for membrane less cell organelles?
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Which cell organelles are examples for membrane less cell organelles? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Which cell organelles are examples for membrane less cell organelles? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which cell organelles are examples for membrane less cell organelles?.
Which cell organelles are examples for membrane less cell organelles? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about Which cell organelles are examples for membrane less cell organelles? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which cell organelles are examples for membrane less cell organelles?.
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