If you had visited Biology4Kids you may recognize the topics of this section. We felt it was more appropriate to have the biochemistry section here on Chem4Kids. It is one of the crossover fields of chemistry. Biochemists have to understand both the living world and the chemical world to be the best at their jobs. The key thing to remember is that biochemistry is the chemistry of the living world. Plants, animals, single-celled organisms... They all use the same basic chemical compoundscycles to live their lives. Biochemistry is not about the cells or the organisms. It's about the smallest parts of those organisms, the molecules. It's also about the that happen to create those compounds.
Those cycles that repeat over and over are the things that allow living creatures to survive on Earth. It could be the constant process of photosynthesis in plants that creates sugars or the building of complex proteins in the cells of your body. Every cycle has a place and they are just one building block that helps organisms live. In each of those cycles, molecules are needed and changed. It's one big network of activity where each piece relies on all of the others.
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