Multiple Choice
In translation, what happens when a ribosome reaches a stop codon in the mRNA?
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5. DNA to RNA to Protein
Translation
Multiple Choice
Which organelle is the primary site of protein synthesis (translation) in cells?
A
Peroxisome
B
Ribosome
C
Lysosome
D
Golgi apparatus
Verified step by step guidance1
Understand that protein synthesis, specifically the process called translation, is the step where the cell builds proteins by reading messenger RNA (mRNA) sequences.
Recall that translation occurs in a specific organelle or cellular structure where ribosomes read the mRNA and assemble amino acids into polypeptide chains.
Identify the organelle responsible for this process: ribosomes, which can be found either floating freely in the cytoplasm or attached to the rough endoplasmic reticulum.
Recognize that other organelles listed, such as peroxisomes, lysosomes, and the Golgi apparatus, have different functions unrelated to the direct synthesis of proteins.
Conclude that the ribosome is the primary site of protein synthesis (translation) in cells.
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