Biology 1101 Exam 1 Review with Questions and Answers

Biology 1101 Exam 1 Review with Questions and Answers Macromolecules ANSWER organic molecules, carbon and hydrogen as building block, synthesized and broken down within organisms, made up of covalent bonds Synthesizing vs Breaking down? ANSWER Synthesizing: requires energy Breaking down: releases energy Where is energy stored in macromolecules? ANSWER Covalent Bonds Monomer ANSWER the unit Polymers ANSWER monomers linked together Carbohydrates ANSWER Monomer: monosaccharide (glucose, fructose) Polymer: polysaccharide (starch, glucose, cellulose) Function: energy storage, builds up plant cell wall Fiber ANSWER Carbs that cannot be broken down, cellulose from plants, humans cannot digest Lipids (triglycerides) ANSWER Glycerol head, 3 fatty acid tails Function: important for energy storage Saturated fat: 3 fatty acid tails (straight), hydrogenated, solid at room temp