Podcast
Questions and Answers
Which organelle is responsible for importing proteins into the endoplasmic reticulum (ER)?
Which organelle is responsible for importing proteins into the endoplasmic reticulum (ER)?
- Nucleus
- Golgi apparatus (correct)
- Lysosome
- Mitochondria
What is the function of the Signal Recognition Particle (SRP) in protein translocation?
What is the function of the Signal Recognition Particle (SRP) in protein translocation?
- Grows as it moves the polypeptide through the translocator
- Displaces the plug in the translocator
- Binds to the translocator
- Allows for co-translation translocation (correct)
What is the role of the translocator in protein translocation?
What is the role of the translocator in protein translocation?
- Grows as it moves the polypeptide through the translocator (correct)
- Displaces the plug in the translocator
- Binds to the signal peptide
- Imports proteins into the Golgi apparatus
Which type of protein sits in the ER membrane in a stable and hydrophobic manner?
Which type of protein sits in the ER membrane in a stable and hydrophobic manner?
What is the function of the Signal Recognition Particle (SRP) in protein translocation?
What is the function of the Signal Recognition Particle (SRP) in protein translocation?
Flashcards
Signal Recognition Particle (SRP)
Signal Recognition Particle (SRP)
A protein complex that helps guide proteins to the ER membrane for translocation.
Co-translational translocation
Co-translational translocation
A process where ribosomes attached to the ER membrane synthesize proteins destined for the ER.
Translocator
Translocator
A channel in the ER membrane that allows proteins to cross from the cytoplasm into the ER lumen.
Transmembrane proteins
Transmembrane proteins
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Golgi apparatus
Golgi apparatus
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