A, sodium.....................................
Even the cell membrane is like the cell wall its flexible and lets certain things in and certain things out.
Buffer?
<span>A buffer is the substance that prevents rapid or large swings in pH
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D. Myosin and actin do not fully detach, so the muscle cannot relax.
Answer:
I believe it is C. Crawfish prefer the food source at location 4.
Explanation:
