This unit was about the essential knowledge in chemistry. From learning about atoms to enzymes, we have learned about their functions and structures. One of the main points we touched upon was the big four macromolecules: carbohydrates, lipids, proteins, and nucleic acids. Carbohydrates are saccharides, also commonly known as sugar, that are made of rings of carbon, hydrogen, and oxygen. It's used as energy storage for producers and a main source of energy for consumers. Lipids are molecules that have fat, phospholipids, oils, waves and cholesterol. They contain chains of fatty acids, carbon and hydrogen, and are nonpolar. It's also used as energy storage, but also makes up cell membranes and used to make hormones. Protein is large molecules made of amino acids chained together. This can support the body, speed up chemical reactions, help cells communicate, and let things through the cell membrane. One type of protein is enzymes. Enzymes are amino acids chained together, which ...
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