RNA {Ans: A single-stranded nucleic acid that passes along genetic messages and is used to build proteins}redox reactions (oxidation-reduction reactions) {Ans: electron transfer reactions that result in energy storage and transfer in a molecule that will later be used to make ATP}Phospholipids {Ans: A molecule that makes up the bilayer of biological membranes.}viral plaques {Ans: localized area of cellular destruction and lysis that enlarge as the virus replicates; enables quantification of viral particles in a sample}Transcription {Ans: synthesis of an RNA molecule from a DNA template}Flagella {Ans: A long, whip-like filament that helps in cell motility. Many bacteria are flagellated, and sperm are flagellated.}