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How would treatment of cells with a drug that disrupts actin filaments affect the mobility of plasma membrane proteins?

Receptor tyrosine kinases are activated by autophosphorylation when?

How can K+ channels selectively transport K+ but not Na+ ions, since Na+ ions are smaller?

How does the binding to GTP versus GDP by tubulin affect microtubules?

How would a drug that establishes membrane channels for H+ ions in chloroplast membranes affect ATP and NADPH production during photosynthesis?

The carotenoids, which give many plants their yellow, orange, and red colors, are located in?

The basis for skeletal muscle contraction is the?

A mutant of cyclin B resistant to ubiquitination by the anaphase-promoting complex/cyclosome (APC/C) has been generated. How would expression of this mutant cyclin B affect the events at the metaphase-to-anaphase and telophase transition?

Yeast can grow under anaerobic as well as aerobic conditions. For every molecule of glucose consumed, how many molecules of ATP will be generated by yeast grown in anaerobic compared with aerobic conditions?

What effect would siRNA against RGS proteins, which act as GTPase activating proteins (GAPs), have on G protein signaling?