Microbiology Exam 1 (multiple choice questions)

Living things ordinarily too small to be seen with the unaided eye are termed a. bacteria b. viruses c. microorganisms d. none of these are correct - Answer- c. microorganisms The Dutch textile merchant who made and used quality magnifying lenses to see and record microorganisms was a. Francesco Redi b. Antonie van Leeuwenhoek c. louis pasteur d. joseph lister e. robert koch - Answer- b. Antonie van Leeuwenhoek Most biochemical macromolecules are polymers, which are chains of a. hydrophobic molecules b. electrolytic molecules c. repeating monomers d. repeating carbohydrates e. hydrogen bonds - Answer- c. repeating monomers What part of a phospholipid forms hydrophobic tails a. fatty acids b. glycerol c. phosphate d. alcohol e. all of the choices are correct - Answer- a. fatty acids ATP is best described as a. an enzyme b. a double helix c. an electron carrier d. the energy molecules of cells e. all of the choices are correct - Answer- d. the energy molecules of cells The bacterial chromosome a. is located in the cell membrane b. contains all the cell's plasmids c. is part of the nucleoid d. forms a single linear strand of DNA e. all of the choices are correct - Answer- c. is part of the nucleoid Lipopolysaccharide is an important cell wall component of a. gram-