BMSC 200 Midterm 1 || with Errorless Solutions 100%.

Definition of Biochem correct answers Study of life at a molecular level and the application of the principles of chemistry to explain biology What are the 4 Major classes of biomolecules? correct answers 1. Proteins 2. Nucleic Acids 3. Lipids 4. Carbohydrates Does the considerable difference in all living life mean they are different molecularly? correct answers All organisms are remarkably uniform at a molecular level What do all organisms use? correct answers Common building blocks to create common biomolecules (nucleic acids, proteins, polysaccharides, and lipids) 4 Different Foundations of Life correct answers 1. Chemical 2. Energy 3. Genetic 4. Evolutionary What are the four main elements that compose around 98% of most organisms? correct answers Carbon Oxygen Hydrogen Nitrogen What are all known life forms based from? correct answers Carbon How many people could naturally occuring nitrogen in the world feed? correct answers 4 Billion Who was able to get "bread from air" using nitrogen from the air as fertilizer correct answers Fritz Haber How much is a human worth? correct answers -Chemically only less than a dollar -Looking at the chemical components like tissues, organs, and biomolecules have an estimated value of $ What is the next best candidate as the chemical foundation of life? correct answers Silicon Why does Carbon work better than Silicon? correct answers -C-C bonds are stronger than S-S bonds -C-C bonds release more energy on combustion than S-S bonds -Combustion of C-C bonds are soluble and remain active in biosphere