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The endoplasmic reticulum (ER) is a network of membranes involved in protein and lipid synthesis, found in all eukaryotic cells. It comes in two forms: rough ER, which is studded with ribosomes and synthesizes proteins, and smooth ER, which is involved in lipid synthesis and detoxification. The sarcoplasmic reticulum (SR), a specialized type of smooth ER found in muscle cells, primarily functions in the storage and regulation of calcium ions, which are crucial for muscle contraction. Thus, while both are types of ER, their functions and locations differ significantly.

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What is an important difference between the rough endoplasmic reticulum and the smooth endoplasmic reticulum?

The rough endoplasmic reticulum has ribosomes attached to its surface, giving it a "rough" appearance, while the smooth endoplasmic reticulum lacks ribosomes. The rough ER is involved in protein synthesis and processing, while the smooth ER is involved in lipid synthesis and detoxification processes in cells.


State one structural difference between organelle golgi apparatus and rough endoplasmic reticulum?

less abundant


The action potential on the muscle cell leads to contraction due to the release of calcium ions. Where are calcium ions stored in the muscle cell?

Calcium ions in muscle cells are primarily stored in the sarcoplasmic reticulum, a specialized form of the endoplasmic reticulum. When an action potential travels along the muscle cell membrane, it triggers the release of calcium ions from the sarcoplasmic reticulum into the cytoplasm. This influx of calcium ions initiates the contraction process by enabling the interaction between actin and myosin filaments.


Cell organelle that acts as a highway?

The endoplasmic reticulum acts as a highway in the cell, transporting molecules and serving as a network for communication between different parts of the cell. It helps in the synthesis, folding, and transport of proteins and lipids within the cell.


Explain the difference between rough and smooth endoplasmic reticulum?

Rough endoplasmic reticulum (RER) is studded with ribosomes, giving it a rough appearance and involved in protein synthesis, while smooth endoplasmic reticulum (SER) lacks ribosomes and is involved in lipid metabolism and detoxification processes. RER plays a major role in the production of secretory and membrane proteins, while SER is involved in the synthesis of lipids and steroid hormones.

Related Questions

What is the difference between a rough ER and a soft?

rough Endoplasmic Reticulum is with ribosomes attached .helps in protein synthesis Smooth Endoplasmic Reticulum no ribosomes


What is an important difference between the rough endoplasmic reticulum and the smooth endoplasmic reticulum?

The rough endoplasmic reticulum has ribosomes attached to its surface, giving it a "rough" appearance, while the smooth endoplasmic reticulum lacks ribosomes. The rough ER is involved in protein synthesis and processing, while the smooth ER is involved in lipid synthesis and detoxification processes in cells.


State one structural difference between organelle golgi apparatus and rough endoplasmic reticulum?

less abundant


What does sarcoplasmic reticulum do?

The Sarcoplasmic Retiulum releases calcium ions that will cause troponin/tropomyosin complex to move. This exposes the binding sites on actin and allows the cross-bridges of myosin to bind to the actin binding sites.


Do ribosomes make the difference between rough and smooth endoplasmic reticulum?

Im answering my own question and it feels awsome and the answer is yes it does because the ribsomes make the endplasmic reticulum rough and without the ribosomes it is a smooth endoplasmic reticulum. My name is Bob and I like pie.


The action potential on the muscle cell leads to contraction due to the release of calcium ions. Where are calcium ions stored in the muscle cell?

Calcium ions in muscle cells are primarily stored in the sarcoplasmic reticulum, a specialized form of the endoplasmic reticulum. When an action potential travels along the muscle cell membrane, it triggers the release of calcium ions from the sarcoplasmic reticulum into the cytoplasm. This influx of calcium ions initiates the contraction process by enabling the interaction between actin and myosin filaments.


Morphological differences between rough endoplasmic reticulum and smooth endoplasmic reticulum?

Rough endoplasmic reticulum has ribosomes attached to its surface, giving it a rough appearance, while smooth endoplasmic reticulum lacks ribosomes. Rough ER is involved in protein synthesis and processing, while smooth ER is involved in lipid metabolism and detoxification processes.


What is the connections between endoplasmic reticulum ribosomes?

It's not!!!!! tehee


What organelle is physically connected to the nucleus?

The endoplasmic reticulum is physically connected to the nucleus through membrane components known as nuclear pores. These pores allow for communication and transport of molecules between the nucleus and the endoplasmic reticulum.


What are the differences between the rough ER and the smooth ER?

Rough endoplasmic reticulum is studded with protein-producing ribosomes giving it a "rough" appearance, hence its name. It works in concert with the Golgi complex to target new proteins to their proper destinations. The rough endoplasmic reticulum is continuous with both the nuclear envelope and the smooth endoplasmic reticulum. Smooth endoplasmic reticulum has functions in several metabolic processes; it contains enzymes, and it stores calcium ions in muscle cells. Lipid synthesis takes place in the smooth endoplasmic reticulum. The smooth endoplasmic reticulum is continuous with the rough endoplasmic reticulum.


Distinguish between the smooth endoplasmic reticulum and the rough endoplasmic reticulum?

The rough endoplasmic reticulum is rough because of the ribosomes, or the things that make proteins in the cell, are attached to it, making it rough. The smooth one is smooth because their are no ribosomes attached to it.


What does Endoplasmic Reticulum cell do in a plant cell?

Endoplasmic reticulum act as a relay station between transportation of materials inside the cell. It have canals where chemicals can pass through. In summary, just like a transportation system. There are rough endoplasmic reticulum as well, which contains spots of Ribosomes on it.