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The luminal ph of the different compartments in the

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Unformatted text preview: capping protein for F ­actin plus end capping protein for F ­actin severing protein for F ­actin A and C B and C Unbranched actin filaments can be nucleated by __________ at the _____________ end. A) B) C) D) E) the ARP complex / plus the ARP complex / minus formin / plus formin / minus cofilin / minus 21. The ActA protein of the bacterial pathogen Listeria helps to propel this pathogen within an infected cell by activating: A) B) C) D) E) 22. A protein that shuttles into and out of the nucleus may have: A) B) C) D) E) formin the ARP complex profilin thymosin gelsolin only a nuclear localization sequence (NLS) only a nuclear export sequence (NES) both a NLS and a NES no NLS or NES all of the above (i.e., each answer is possible, depending on which shuttling protein) Fill in the blank with one or a small number of words (2 points each) The KDEL sequence on a soluble protein is the signal for retrieval of this protein from _____the cis ­ Golgi____________________ to _________the ER_________________. The lu...
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