Thank you for visiting In eukaryotic cells a by a targets a growing peptide to the endoplasmic reticulum A signal peptide polyribosome B signal recognition particle ribosome C signal. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Final answer:
A signal peptide recognized by a signal-recognition particle targets a growing peptide to the endoplasmic reticulum in eukaryotic cells. The signal peptide is a 'ticket' indicating where the protein needs to go, and once the protein is synthesized and processed, the signal peptide is cut off.
Explanation:
In eukaryotic cells, a signal peptide is recognized by a signal-recognition particle which targets the growing peptide to the endoplasmic reticulum. This concept is part of the broader process of protein synthesis and processing within the cell. Specifically, the signal-sequence or peptide is a sort of 'ticket' that tells the cell where this protein needs to go. When a ribosome synthesizes a protein with a signal peptide, the signal-recognition particle binds to it. This process halts synthesis until the whole ribosome-protein-SRP complex can be transported to the endoplasmic reticulum, where the signal peptide interacts with a receptor, permitting the translation to continue inside the endoplasmic reticulum. Once the protein grows and folds, the signal peptide sequence is usually cut off and the protein can fulfil its function within the cell.
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