The smooth endoplasmic reticulum.
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The endoplasmic reticulum (ER) is responsible for lipid synthesis in the cell. Specifically, the smooth endoplasmic reticulum (SER) is the region where lipid synthesis occurs, involving enzymes and processes needed for lipid production.
The endoplasmic reticulum (ER) is responsible for protein and lipid synthesis in the cell. It consists of two regions: rough ER, which is studded with ribosomes and involved in protein synthesis, and smooth ER, which plays a role in lipid metabolism and detoxification. The ER also aids in the folding, modification, and transport of newly synthesized proteins within the cell.
Ribosomes and centrioles are cell organelles that lack membranes as part of their structure. Ribosomes are responsible for protein synthesis, while centrioles play a role in cell division.
The endoplasmic reticulum (ER) is a cell organelle involved in protein and lipid synthesis. It has two types: smooth ER, involved in lipid synthesis, and rough ER, which has ribosomes attached and produces proteins. The ER plays a crucial role in maintaining cell structure and intracellular transport.
Polypeptides are made in the ribosomes of the cell. Ribosomes are responsible for protein synthesis by translating the information from messenger RNA (mRNA) into amino acid sequences, which eventually form polypeptides.
The main part of an onion cell is the cell wall, which protects and supports the cell. Inside the cell, you'll find the nucleus, which contains the genetic material of the cell and controls its functions. The cytoplasm fills the cell and contains various organelles like the mitochondria, responsible for energy production, and the endoplasmic reticulum, involved in protein synthesis.