When the diaphragm contracts, it pulls down and creates a vacuum in the lungs, which helps in breathing in.
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Nucleic acids are important because they make up genetic information in living things. There are two types of nucleic acid and they are DNA and RNA. DNA is the basic instructions for living things. It is passed down from parent to offspring and is found in thenucleus of the cell.
Palindromes are important to genetic engineers because they allow the genetic engineers to know were to cut and splice DNA.