Q-4. Which statements, if any, are false? a. Most proteins that enter the ER are chemically modified there. b. Proteins

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Q 4 Which Statements If Any Are False A Most Proteins That Enter The Er Are Chemically Modified There B Proteins 1 (54.42 KiB) Viewed 12 times

Q-4. Which statements, if any, are false? a. Most proteins that enter the ER are chemically modified there. b. Proteins destined for the Golgi, the cell surface, and lysosomes must first enter the ER. I c. Membrane proteins destined for other organelles are cotranslationally inserted into ER membrane. d. Proteins enter peroxisomes from both the cytosol and the ER. e. None (All of the above statements are true) Q-5. Which statement is NOT TRUE regarding co-translational transmembrane transport. a. Start and stop signals determine the arrangement ftransmembrane proteins in the lipid bilayer. b. A double-pass transmembrane protein has an internal ER signal sequence. c. For a single-pass transmembrane protein, the N-terminal signal sequence is cleaved by a signal peptidas d. For a multi-pass transmembrane protein, both the hydrophobic start-transfer sequence and the hydrophobic stop-transfer sequence is cleaved. e. None of the above (All of the above statements are true)