1. Where does translation of membrane protein begin? a nucleus b. smooth ER c.rough ER d. cytosol e. golgi apparatus 2.

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1 Where Does Translation Of Membrane Protein Begin A Nucleus B Smooth Er C Rough Er D Cytosol E Golgi Apparatus 2 1 (62.33 KiB) Viewed 35 times

1. Where does translation of membrane protein begin? a nucleus b. smooth ER c.rough ER d. cytosol e. golgi apparatus 2. Which cellular compartment is part of the endomembrane system? a chloroplasts b. transport vesicles c. peroxisomes d. centrosomes c. mitochondria 3. Proteins that are fully translated in the cytosol and lack a sorting signal will end up in the L cytosol. b. mitochondria. c. interior of the nucleus. d. nuclear membrane. c. endosome 4. Where are lipids and proteins modified, sorted and packaged for delivery to other places in the cell? nucleus b. smooth ER c.rough ERY d. Golgi apparatus e lysosomes 5. The localization signal used in directing a protein to a specific location is...? a added to the protein through post-translational modification. b. added to the protein by a protein translocator. C. encoded in the amino acid sequence of the protein. d always removed once the protein is in its final destination 6. What is the role of the nuclear localization sequence in a nuclear protein? a. It is bound by cytoplasmic proteins that direct the nuclear protein to the nuclear porc. b. It is a hydrophobic sequence that enables the protein to enter the nuclear membranes. c. It aids in protein unfolding so that the protein can thread through nuclear pores. d. It prevents the protein from diffusing out of the nucleus through nuclear pores. 7. What happens when a nuclear transport receptor binds Ran-GTP? 2. It then binds to cargo for transport into nucleus. b. It allows the receptor to interact with the nuclear fibrils of the porc. c. It causes the release of the cargo inside the nucleus. d. It prevents the release of cargo outside of the nucleus. 8. What is required to direct a protein to the inside of a mitochondria or chloroplast? 2. an import receptor b. a protein translocator c. an import receptor and a protein translocator d. an import receptor and a signal peptidase c. a translocator and a signal peptidase