Which organelle produces proteins in the cell?

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Prepare for the Virginia 7th Grade Science SOL Test. Incorporate flashcards and multiple choice questions, each with hints and detailed explanations. Ensure your success on the exam!

Multiple Choice

Which organelle produces proteins in the cell?

Explanation:
Ribosomes are the organelles that produce proteins. They are the cell’s protein factories where the genetic instructions carried by mRNA are read and amino acids are linked together to form a polypeptide chain that becomes a protein. Some ribosomes float freely in the cytoplasm, while others are attached to the endoplasmic reticulum, making proteins that are exported or inserted into membranes. The nucleus stores DNA and makes the RNA templates but doesn’t assemble proteins itself. The Golgi apparatus then modifies and packages these proteins for shipment, and mitochondria provide energy for the cell rather than building proteins.

Ribosomes are the organelles that produce proteins. They are the cell’s protein factories where the genetic instructions carried by mRNA are read and amino acids are linked together to form a polypeptide chain that becomes a protein. Some ribosomes float freely in the cytoplasm, while others are attached to the endoplasmic reticulum, making proteins that are exported or inserted into membranes. The nucleus stores DNA and makes the RNA templates but doesn’t assemble proteins itself. The Golgi apparatus then modifies and packages these proteins for shipment, and mitochondria provide energy for the cell rather than building proteins.

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