9781422269923

WORDS TO UNDERSTAND

Amino Acids: Molecules that serve as “building blocks” for proteins. DNA: Deoxyribonucleic acid (DNA) is a long, double-stranded molecule that controls cellular expression, passes on genetic traits to one’s children, and replicates itself when cells divide to ensure that each cell has the same genetic information. Gastrointestinal: Referring to the stomach and intestines. RNA: Ribonucleic acid (RNA), individual strands in human DNA that send messages to cells as they split to ensure that split cells are identical to each other.

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