BIOB34H3 Lecture Notes - Lecture 4: Molecular Geometry, Phenotypic Plasticity, Protein Structure
Document Summary
Animal"s work: use chemical energy to decrease entropy (create molecular order) Reduce randomness and microstates in the body, to create molecular order. Objectives: define biosynthesis, describe how the molecular structure of proteins give them unique functions, define phenotypic plasticity and explain how the environment influences protein synthesis via transcription factors. What sorts of molecular order do animals generate: molecular structures, how are the atoms in the molecule in your body arranged. What are the covalent and non covalent bonds between the various atoms: energy gradients. *transferring chemical energy from food into low entropy molecular structures (and generate some heat): synthesizing particular molecular structure, entropy = spread of heat. Muscles cells can transform chemical energy -> mechanical energy b/c of the specific proteins that muscle cells make. In development particular programs are turned on and off: example: evolution: ice fish -> don"t have functioning hemoglobin. They don"t need the ability to carry oxygen in blood.
