Biochemistry Unit 2(WGU) COMPLETE SOLUTION

Biochemistry Unit 2(WGU) COMPLETE SOLUTION 1. Monomer & Polymer: A simple compound whose molecules can join together to form polymers 2. Structure of amino acid: central carbon, carboxyl group to the right (COOH), amine group to the left (NH2), hydrogen above and R group below 3. Protein is made of what monomers?: Protein is a polymer made together of amino acid monomers 4. What is matter?: anything that takes up space and has mass 5. What is an element?: pure substance that consists entirely of one type of atom. There are 92 elements and they can't be broken down by chemical reactions 6. What is a compound?: substance formed by the chemical combination of two or more elements in definite proportions. ex: NaCl or H2O 7. out of the 92 elements, what percentages of them are essential elements to humans?: 20-25% are essential elements 8. Which of the essential elements make up the living matter and what are the percentages?: 96% are Carbon, nitrogen, oxygen and Hydrogen 4% are Calcium(Ca), phosphorous(P), potassium(K), Sulfure(S) 9. Trace elements: An element indispensable for life but required in extremely minute amounts. 10. Elements Table needed for humans: 11. Atom: the basic unit of a chemical element and has its own unique identity 12. Subatomic Particles: protons(+), neutrons(neutral), electron 13. Dalton unit: A special unit used to measure the masses of protons, neutrons, and electrons Also called