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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.
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Which cell organelle is osmotically inactive?
The osmotically inactive organelle is the ribosome. Ribosomes are primarily made up of ribosomal RNA and proteins and do not contribute to osmotic pressure since they do not have a semi-permeable membrane or contain water in significant amounts. Instead, they are involved in protein synthesis within the cell.
What organelle not in animals may contain chloroplasts?
Plant cells contain chloroplasts, which are membrane-bound organelles that carry out photosynthesis. This organelle is not found in animal cells.
What organelle is found in the bacteria cell and also in the plant and animal cell?
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.
What organelle will form vesicles that fuse with the plasma membrane?
The Golgi apparatus is the organelle that forms vesicles, known as secretory vesicles, that fuse with the plasma membrane. These vesicles contain proteins or lipids that are then released outside the cell.
Does endoplasmic reticulum contain a membrane?
The endoplasmic recticulum (ER) is located inside the cell, so it would be enclosed within the cell membrane. It contains a system of interconnected channels called cisternae enclosed by the unit membrane. ER is continuous with the outer membrane of the nuclear envelope and therefore is a membranous organelle.
What organelle has a double layer of phospholipids that is selectively permeable?
Mitochondria is double membraned!It is known as power house of cell it contain enzymes for production of energy by respiration.
What organelle that does not contain a membrane?
Ribosomes
What organelle not in animals may contain chloroplasts?
Plant cells contain chloroplasts, which are membrane-bound organelles that carry out photosynthesis. This organelle is not found in animal cells.
Which organelle is the energy producer?
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.
What organelle is found in the bacteria cell and also in the plant and animal cell?
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.
What cell organelle has a function of the excretory system?
The cell organelle that serves a function similar to the excretory system is the lysosome. Lysosomes contain enzymes that break down waste materials and cellular debris, essentially acting as the cell's waste disposal system. This process helps maintain cellular homeostasis by removing unwanted substances from the cell.
What organelle is small circular and contains enzymes?
The organelle you are describing is a peroxisome. Peroxisomes are small, membrane-bound organelles that contain enzymes involved in various metabolic processes, particularly the breakdown of fatty acids.
How are hypertonic and hypotonic solutions similar?
In osmosis, the hypertonic solution is one with a higher solute concentration over the semi-permeable membrane and the hypotonic solution is one with a lower solute concentration over the semi-permeable membrane. The similarities between these two is that both contain a solute and both involve water which is essential in osmosis. Also, the semi-permeable membrane plays a very important roll on how the water moves. It moves from the lower solute concentration to the higher solute concentration.
What is a membrane-bound sacs that contain hydrolytic enzymes which digest complex organelle molecules?
lysosome
What organelle will form vesicles that fuse with the plasma membrane?
The Golgi apparatus is the organelle that forms vesicles, known as secretory vesicles, that fuse with the plasma membrane. These vesicles contain proteins or lipids that are then released outside the cell.
Does endoplasmic reticulum contain a membrane?
The endoplasmic recticulum (ER) is located inside the cell, so it would be enclosed within the cell membrane. It contains a system of interconnected channels called cisternae enclosed by the unit membrane. ER is continuous with the outer membrane of the nuclear envelope and therefore is a membranous organelle.
What is the difference between colloid and crystalloid?
Colloids contain larger particles that do not readily settle and are used to increase intravascular volume, while crystalloids contain smaller particles that can freely pass through the capillary membrane and are used to maintain fluid balance. Colloids are often more expensive and can carry a risk of adverse reactions, such as anaphylaxis, compared to crystalloids.
