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MRNA carries a transcript of the needed amino acids to tRNA and then to the rRNA ribosomal component.
Answer:A and D
Explanation: Because that’s what US Test Prep said was right.
After the depolarization wave front passes through the atria, it enters that AV node which is located at the apex of the triangle of Koch. It would be the AV node that <span>collects the depolarization wave from the atria to pass it onto the ventricles. Hope this answers the question.</span>