<span>The repolarization of cardiac muscle is due to closure of calcium (Ca) channels and potassium (K) exiting the cell when additional voltage gated K channels open.
Due to these changes within the heart, repolarization has to happen. This process refers to returning the cardiac muscle to its resting state, and the opposite process is depolarization.
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B, when applying a tail Jack you need to be careful to make sure it hold steady because it could pop right off
Explanation:
A hypothesis mustn't be too detailed since you are about to take the experiment and not sure of the outcome so we have to stick with Light intensity has an impact on the rate of photosynthesis.
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A string of nucleotides that hold information is called a gene. :)
Answer:
It is individual organisms change their genes to adapt to their environment.
correct answer is A
