Question

Endoplasmic reticulum functions as a cytoplasmic framework of the cell . Explain.

Answer 1

• Cytoplasmic framework refers to the basic structure, composition and organisation of the cytoplasm of the cell.
• All of the organelles in eukaryotic cells, such as the nucleus, endoplasmic reticulum, and mitochondria, are located in the cytoplasm.
• A framework of protein scaffolds called the cytoskeleton provides the cytoplasm and the cell with their structure.
• Endoplasmic reticulum (ER), in biology, a continuous membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells and serves multiple functions, being important particularly in the synthesis, folding, modification, and transport of proteins .
• All eukaryotic cells contain an endoplasmic reticulum (ER). In animal cells, the ER usually constitutes more than half of the membranous content of the cell.
• Differences in certain physical and functional characteristics distinguish the two types of ER, known as rough ER and smooth ER.

The endoplasmic reticulum plays an important role in the biosynthesis, processing, and transport of proteins and lipids.