What is smooth and rough ER?

Smooth endoplasmic reticulum (SER) is a type of endoplasmic reticulum consisting of tubular vesicles that lack ribosomes on the outer surface and is involved in the synthesis and storage of lipids. Ribosomes. Rough ER has ribosomes on the outer surface. Smooth ER doesn' thave ribosomes on the outer surface.

1. What is the difference of smooth and rough ER?
2. What is SER and RER?
3. What is smooth and rough in a cell?
4. What is smooth endoplasmic reticulum Class 9?
5. What is the function of rough ER?
6. Why is the smooth ER important?
7. What are two functions of the smooth ER?
8. What is the difference between smooth ER rough ER and Golgi apparatus?
9. What is meant by RER?
10. What is the role of ER in membrane biogenesis?
11. What is the difference between rough ER and smooth ER What is the ER doing that is different in each case?
12. What is the difference between rough ER and smooth ER quizlet?
13. Where is the smooth ER located in an animal cell?
14. Why is RER Class 9 rough?
15. What is the function of smooth ER in animal cell?

What is the difference of smooth and rough ER?

The most basic difference between RER and SER is the presence of ribosomes. When ribosomes attach to the surface of an ER, it gives a characteristic rough appearance; hence it is called Rough ER. On the other hand, a smooth ER does not have ribosomes on its surface. It possesses ribosomes attached to its membrane.

What is SER and RER?

The smooth endoplasmic reticulum (SER) is distinguished from the rough endoplasmic reticulum (RER), the other basic type of endoplasmic reticulum, by its lack of ribosomes, which are protein-synthesizing particles that can be found attached to the outer surface of the RER to give the membrane its “rough” appearance.

What is smooth and rough in a cell?

Smooth and rough ER are two types of endoplasmic reticulum, which develop an interconnected system consisting of membrane-bound channels in the cytoplasm of the cell. ER is a membrane-enclosed organelle found only in eukaryotic cells. ... Smooth ER, on the other hand, helps in the storage of proteins and lipids.

What is smooth endoplasmic reticulum Class 9?

The smooth endoplasmic reticulum has a tubular form. It participates in the production of phospholipids, the chief lipids in cell membranes and are essential in the process of metabolism. Smooth ER transports the products of the rough ER to other cellular organelles, especially the Golgi apparatus.

What is the function of rough ER?

The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.

Why is the smooth ER important?

The smooth ER is involved in the synthesis of lipids, including cholesterol and phospholipids, which are used in the production of new cellular membrane. In certain cell types, smooth ER plays an important role in the synthesis of steroid hormones from cholesterol.

What are two functions of the smooth ER?

Its main functions are the synthesis of lipids, steroid hormones, the detoxification of harmful metabolic byproducts and the storage and metabolism of calcium ions within the cell. The smooth ER is distinguished from the other parts of the endoplasmic reticulum by the absence of membrane-bound ribosomes.

What is the difference between smooth ER rough ER and Golgi apparatus?

Rough ER provides proteins and lipids for the Golgi apparatus. Smooth ER provides vesicles for the cis-face of the Golgi apparatus. The rough endoplasmic reticulum is mostly associated with the production, modification, and transfer of proteins.

What is meant by RER?

rough endoplasmic reticulum (RER), series of connected flattened sacs, part of a continuous membrane organelle within the cytoplasm of eukaryotic cells, that plays a central role in the synthesis of proteins.

What is the role of ER in membrane biogenesis?

ER or endoplasmic reticulum serves in membrane biogenesis by helping in the formation of lipids, proteins and steroids which are important for it. ... The R.E.R (Rough Endoplasmic Reticulum) is responsible for protein synthesis, while the S.E.R (Smooth Endoplasmic Reticulum) is responsible for lipid production.

What is the difference between rough ER and smooth ER What is the ER doing that is different in each case?

Rough ER has ribosomes attached to it that make proteins and lipids. Smooth ER doesn't have ribosomes and can be used for storage and for making lipids.

What is the difference between rough ER and smooth ER quizlet?

What is the difference between rough endoplasmic reticulum and smooth endoplasmic reticulum? Rough endoplasmic reticulum is covered in ribosomes and is involved in the synthesis and production of proteins. Smooth endoplasmic reticulum has no ribosomes and is involved in the production of enzymes and lipids.

Where is the smooth ER located in an animal cell?

Different types of cells contain different ratios of the two types of ER depending on the activities of the cell. Rough endoplasmic reticulum(RER) found mainly toward the nucleus of cell and smooth endoplasmic reticulum(SER) found towards the cell membrane or plasma membrane of cell.

Why is RER Class 9 rough?

Rough Endoplasmic Reticulum (RER) appears rough because of the presence of ribosomes on it. Ribosomes are sites for biological protein synthesis. ... Polyribosomes are aggregation of several ribosomes held together by a string of mRNA.

What is the function of smooth ER in animal cell?

Functions of the smooth endoplasmic reticulum include synthesis of carbohydrates, lipids, and steroid hormones; detoxification of medications and poisons; and storage of calcium ions.