Protein |
| Proteins are created at ribosomes. The information in
messenger RNA specifies the amino acid sequence. Proteins are the most versatile molecules
in biology. Chapter 3 discussed some of the functions that they serve in life. Organic Chemistry Functional Groups Organic chemistry is the study of how chemicals containing mostly carbon interact. Many chemicals used by life are organic. Because organic chemicals are very large, the structures of many are overwhelming. Fortunately, the chemicals can only interact with each other in a very limited set of reactions. These reactions are controlled by functional groups. The functional groups relevant to the origin of life are shown in figure 8.8. The functional groups in figure 8.8 are the atoms found inside the boxes. The carboxylic acid and amino groups are found in all amino acids. P = phosphorous, O = oxygen, N = nitrogen, C = carbon, and unlabeled small spheres = hydrogen. Figure 8.8: Functional Groups
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