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Title: Muscles and muscle tissue Post by: linches@ONL on Aug 8, 2011 3. Muscle-relaxing drugs are administered to a patient during major surgery. Which of the two chemicals described next would be a good skeletal muscle relaxant and why?
-Chemical A binds to and blocks ACh receptors of muscle cells -Chemical B floods the muscle cells' cytoplasm with Ca(2+) Title: Re: Muscles and muscle tissue Post by: duddy on Aug 8, 2011 I'm assuming those are two separate options, if so, the first one 8)
If you flood the muscle cells with Ca++, you practically unlock the tropomyosin. Actin and myosin starts to slide into each other. Other words, muscle starts contracting! --> B would cause discomfort over time... |