Imagine a Protein That Has Been Engineered to Contain a Nuclear

question 43

Multiple Choice

Imagine a protein that has been engineered to contain a nuclear localization signal, a nuclear export signal, a C-terminal peroxisomal targeting sequence, and a canonical endoplasmic reticulum (ER) signal sequence. With all of these signals, where would you expect to find the protein after its synthesis?

• A) Cytosol
• B) Nucleus
• C) Shuttling between the cytosol and the nucleus
• D) Peroxisomes
• E) Endoplasmic reticulum

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