are organelles composed of RNA molecules and proteins that carry out the process of synthesis. They can be found in cells.
In eukaryotic cells, they can be found attached to the or floating in the . While in bacteria, all are free floating. smooth endoplasmic reticulum
and rough endoplasmic reticulum
Organelles composed of RNA molecules and proteins that carry out the process of synthesis are known as ribosomes.
In eukaryotic cells, ribosomes can be found attached to the rough endoplasmic reticulum (RER) or floating freely in the cytoplasm. The RER is a membrane-bound organelle involved in protein synthesis and modification. It is called "rough" due to the presence of ribosomes on its surface. Free-floating ribosomes can also be found in the cytoplasm of eukaryotic cells.
On the other hand, in bacteria (prokaryotic cells), all ribosomes are free-floating in the cytoplasm. Prokaryotic cells lack membrane-bound organelles like the RER seen in eukaryotic cells.
The organelles that are composed of RNA molecules and proteins and carry out synthesis processes are called ribosomes. Ribosomes can be found in both eukaryotic and bacterial cells.
In eukaryotic cells, ribosomes can be found in two locations: attached to the rough endoplasmic reticulum (ER) or floating freely in the cytoplasm. The rough ER is a network of membranes that has ribosomes attached to its surface, giving it a rough appearance under a microscope. These ribosomes attached to the rough ER are involved in the synthesis of proteins that will be transported and used within the cell or exported outside the cell.
On the other hand, free-floating ribosomes in the cytoplasm of eukaryotic cells are responsible for synthesizing proteins that will remain within the cytoplasm and carry out various functions within the cell.
In bacterial cells, all ribosomes are free floating in the cytoplasm. Bacteria do not have organelles, such as the endoplasmic reticulum found in eukaryotic cells.
In summary, ribosomes are the organelles responsible for protein synthesis and can be found attached to the rough ER or floating freely in the cytoplasm in eukaryotic cells, while in bacterial cells, all ribosomes are free floating in the cytoplasm.