25. The study of evolutionary relationships among organisms is called A) biotechnology B) physiology C) geneticas D) phylogeny E) phycology 26. All of the following types of microbes were viewed and described by Leeuwenhoek, except A) viruses B) prokaryotes C) algae D) eukaryotes E) helminths 27. A common medium used for growing fastidious bacteria A) blue medium B) reducing medium C) cell culture D) enriched medium E) selective medium 28. Which of the following is an example of biotechnology? A) Humans using yeast to make beer and wine B) Public health officials monitoring diseases in a community C) Mycobacterium tuberculosis in the lungs causing tuberculosis D) A microbiologist using a microscope to study protozoan E) Bacteria in the soil secreting an antimicobial substance 29. Which of the following is NOT a component of all nucleotides A) B) C) pentose (5 carbon) sugar deoxyribose purine or pyrimidine D) phosphate E) nitrogen base 30. Paul Ehrlich used chemotherapy to treat A) syphilis B) cholera C) smallpox D) anthrax B cancer 31. Placing a culture in a controlled environment for growth is an example of A) isolation B) identification C) incubation D) inhalation E) inoculation 32. Inserting a gene from the hepatitis B virus into yeast so that the yeast produces a virl protein is an example of A) immunology B) gene therapy C) microbial genetics D) genetic engineering E) etiology