Alphabetical
protein
[noun]
Macromolecules that are polymers of individual amino acids arranged in a chain and joined together by peptide bonds (and so also referred to as polypeptides). A minimum polymer length of approximately 40 amino acid units appears to be a functional size limit, and polymers shorter than this limit are commonly referred to as peptides. Proteins comprise approximately 50% of the dry weight of cells and fill a number of purposes, both functional and structural.
Appears in modules:
- Acids and Bases II Conjugate ions and buffers
- Carbohydrates Simple sugars and complex carbohydrates
- Cell Division I The cell cycle
- Cell Division II Mitosis
- Cellular Organelles I Endosymbiosis and membrane-bound organelles
- Creativity in Science How scientists decide what to study
- David Ho HIV researcher
- Discovery and Structure of Cells Cell theory, prokaryotes, and eukaryotes
- DNA I The genetic material
- DNA II The structure of DNA
- DNA III The replication of DNA
- Energy Metabolism I Glycolosis and the Krebs cycle
- Fats and Proteins Structure and function of essential nutrients
- Gene Expression Enzymes and hereditary conditions
- Membranes and Chemical Transport Absorption, distribution, and storage of substances in organisms
- Membranes I Structure and function of biological membranes
- Membranes II Passive and active transporters
- Origins of Life I Early ideas and experiments
- Origins of Life II Primeval environments and the origins of RNA
- Percy Lavon Julian Revolutionizing medical treatment through chemical synthesis
- Photosynthesis I Harnessing the energy of the sun
- Properties of Liquids Intermolecular forces, cohesion, adhesion, and viscosity
- Revolutionizing Medicine with Monoclonal Antibodies The work of César Milstein
- The Nitrogen Cycle Of microbes and men
- The Periodic Table of Elements V Periodicity
- Uncovering the Mysteries of Chronic Mountain Sickness The work of Fabiola Léon-Velarde
- Water Properties and behavior
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