Question

Endoplasmic Reticulum function
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Answer 1

Answer:

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.

The endoplasmic reticulum (ER) serves important functions particularly in the synthesis, folding, modification, and transport of proteins.

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Answer 2

Answer:

Endoplasmic reticulum performs the following functions:

• It is responsible for the production and secretion of steroid hormones.
• It is also responsible for the synthesis of essential lipids such as phospholipids and cholesterol.
• It is responsible for the metabolism of carbohydrates.
• Endoplasmic Recticulum releases calcium ions, which are necessary for the nervous system and muscular system.

Explanation:

As stated above, the endoplasmic reticulum is categorised into two types, and both these types of ER perform specific functions:

Smooth Endoplasmic Reticulum Function:

• Smooth ER is responsible for the synthesis of essential lipids such as phospholipids and cholesterol.
• Smooth ER is also responsible for the production and secretion of steroid hormones.
• It is also responsible for the metabolism of carbohydrates.
• The smooth ER store and release calcium ions. These are quite important for the nervous system and muscular system.

Rough Endoplasmic Reticulum Function:

• The majority of the functions of rough ER is associated with protein synthesis.
• Rough endoplasmic reticulum also plays a vital role in protein folding.
• Also ensures quality control (regarding correct protein folding).
• The second most important function after protein synthesis and protein folding is protein sorting.

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