How can K+ channels selectively transport K+ but not Na+ ions, since Na+ ions are smaller?
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How would a drug that establishes membrane channels for H+ i…
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…
The carotenoids, which give many plants their yellow, orange, and red colors, are located in?
A mutant of cyclin B resistant to ubiquitination by the anap…
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?
The basis for skeletal muscle contraction is the?
The basis for skeletal muscle contraction is the?
Yeast can grow under anaerobic as well as aerobic conditions…
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 G…
What effect would siRNA against RGS proteins, which act as GTPase activating proteins (GAPs), have on G protein signaling?
How would treatment of cells with a drug that makes membrane…
How would treatment of cells with a drug that makes membranes permeable to protons affect the function of the lysosomes?
Sec61 proteins make up the translocon channel through the ER…
Sec61 proteins make up the translocon channel through the ER membrane. In mutant yeast containing loss-of-function mutations in Sec61 proteins, what is the fate of proteins that are normally localized to the Golgi apparatus?
Which protein(s) link the nuclear lamina to cytoskeletal fil…
Which protein(s) link the nuclear lamina to cytoskeletal filaments?