Answer: The sodium-potassium pump.Explanation:
The concentration of sodium and potassium inside and outside the muscle cells are important in the regulation of contraction. These concentrations differ when a muscle is relaxing or contracting.
<span><span>Contraction: potassium concentrations are higher outside the cell than inside the cell.</span><span>Relaxation: the potassium concentrations are higher inside the cell than outside the cell.</span></span>
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Answer:
AUG
can u mark me brainliest plz?
Explanation:
Answer:
A ______Gene; ____ is a segment of DNA that directs the development of some inherited traits and it has different forms called ______Alleles_____.
Answer:
codominance
Explanation: a person must have a mutation in both copies of the CFTR gene to have CF, so I WOULD SAY codominance but double check