What is the difference between the RER and SER?
The main difference lies between the SER and RER is the presence of ribosomes, as SER do not have ribosomes but RER have ribosomes. SER mainly produce and export lipids and protein and function for detoxification, while RER produces, secrete and export proteins and few hormones.
What is the difference in function between smooth and rough ER?
The rough ER, studded with millions of membrane bound ribosomes, is involved with the production, folding, quality control and despatch of some proteins. Smooth ER is largely associated with lipid (fat) manufacture and metabolism and organic compound production hormone production. It also has a detoxification function.
What is the function of the RER and SER?
Introduction on Rough and Smooth Endoplasmic Reticulum
| RER–Rough Endoplasmic Reticulum | SER–Smooth Endoplasmic Reticulum |
|---|---|
| They are found near the nucleus of the cell. | They are found away from the nucleus in the cell. |
| Their function is to synthesize proteins. | Their function is to synthesize lipids. |
What are the four major functions of the endoplasmic reticulum?
The ER is the largest organelle in the cell and is a major site of protein synthesis and transport, protein folding, lipid and organic compound synthesis, carbohydrate metabolism and calcium storage [1–7].
What are the three functions of smooth endoplasmic reticulum?
Its main functions are the synthesis of lipids, organic compound 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.
Why RER membrane is rough in nature?
RER (Rough Endoplasmic Reticulum) is rough in nature because it has ribosomes attached to its surface. The ribosomes take part in protein synthesis.
What is the main function of mitochondrion?
Mitochondria
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell’s biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP).
What is the job of the RER?
The RER is responsible for protein synthesis, modification, packaging, and quality control. We say that the RER makes proteins, but actually most of this is done by the ribosomes attached to its surface. These are called membrane-bound ribosomes. One key point to remember is that the RER makes secretory proteins only.
What are the two main functions of the rough endoplasmic reticulum?
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 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 structure of rough ER?
The rough endoplasmic reticulum is largely made of sheets – a two-dimensional array of flattened sacs that extend across the cytoplasm. In addition to ribosomes, these membranes contain an important protein complex called the translocon, which is necessary for protein translation within the rough ER.
What is the structure and function of the smooth ER?
Smooth endoplasmic reticulum (SER), meshwork of fine disklike tubular membrane vesicles, part of a continuous membrane organelle within the cytoplasm of eukaryotic cells, that is involved in the synthesis and storage of lipids, including cholesterol and phospholipids, which are used in the production of new cellular
What cells have a lot of rough endoplasmic reticulum?
Cells that specialize in protein secretion contain large amounts of rough endoplasmic reticulum. For instance, cells of the pancreas that produce the protein insulin, have abundant rough endoplasmic reticulum.
What is rough endoplasmic reticulum Class 9?
Endoplasmic reticulum
It transports materials between the regions of cytoplasm or between the cytoplasm and nucleus. It also provides a surface for some biochemical activities of cell. It can be classified into two types: RER (Rough Endoplasmic Reticulum)
What is the main function of RER Class 9?
1)It provides a pathway for distribution of nuclear material from one cell to other. 2)Certain enzymes present in SER synthesise fat,steroids,cholesterol. 3)RER help in transport of protein which are synthesised by ribosomes on their surface.
What is the function of SCR class 9th?
Answer. The smooth endoplasmic reticulum, or smooth ER, is an organelle found in both animal cells and plant cells. An organelle is a sub-unit within a cell that has a specialized function. The main function of the smooth ER is to make cellular products like hormones and lipids.
What are the functions of SER and RER Class 9?
Function of SER and RER
Smooth endoplastic reticulum helps in manufacture hormones and lipid molecules. It transport the hormones and lipid molecules to the cell and the organisms.
What is the full form of RER and SER?
The ER can be classified in two functionally distinct forms: the smooth endoplasmic reticulum (SER) and the rough endoplasmic reticulum (RER).
What is a full form of Ser?
SER– soft endoplasmic reticulum. RER- rough endoplasmic reticulum.
What is the full meaning of ser?
0. Ser is an abbreviation for serial, series and sermon. An example of ser is the unique string of numbers and letters used to identify a product, the seriel number.
What is the full form of ER?
The ER is the part of a hospital where people who have severe injuries or sudden illnesses are taken for emergency treatment. ER is an abbreviation for ’emergency room’.
Who can write ER before name?
It is better to write engineer in bracket after the name who have received a graduation degree in Engineering and have at least 1 year of membership certificate in Indian Institute of engineering. The engineers use “Er.” before their name in India. All bachelor of Engineering degree Holders write Er before their name .