an extracellular signaling molecule binds to cell surface receptor. this cell surface receptor changes shape and activates a trimeric g-protein. what kind of receptor is this?

the answer is: metamorphic rocks often show the presence of fossils, also a

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-lavira: )

the potatoes have high sugar concentrations and although these potatoes were different we could seethe effects that their sugar concentrations had in different environments. for example, the potatoes in sample a, were placed in pure water. this created a hypertonic environment and caused the potatoes to draw in water from its surroundings. we saw the opposite happen with the potatoes in sample b when placed in the sodium chloride solution. the potatoes in this case were in a hypotonic solution and therefore lost water to their surroundings.