MICROBIOLOGY - EXAM 1 - CHAPTERS 1-4 100% GUARANTEED PASS!!

MICROBIOLOGY - EXAM 1 - CHAPTERS 1-4 100% GUARANTEED PASS!! ANSWERS PROVIDED Q. Antoni van Leeuwenhoek was the first person in history to... CORRECT ANSWER...view protozoa and bacteria called ANIMALCULES. Q. Who developed the technique of vaccination to prevent smallpox? CORRECT ANSWEREdward Jenner Q. Who advocated handwashing to prevent puerperal sepsis? CORRECT ANSWER. Ignaz Semmelweis Q. Who is responsible for infection control and epidemiology? CORRECT ANSWERJohn Snow Q. Who disproved spontaneous generation? CORRECT ANSWERLouis Pasteur 1. Robert Koch was involved in research on all of the following topics except... A) the cause of anthrax. B) the cause of fermentation. C) development of a method to prove the cause of an infectious disease. D) the cause of tuberculosis. E) techniques for isolating microbes in the laboratory. 2. The microbial production of alcohol from sugar is known as? CORRECT ANSWERFermentation 3. Microorganisms characterized by the absence of a nucleus are called? CORRECT ANSWERProkaryotes 4. The microbes commonly known as _____ are single-celled eukaryotes that possess no cell wall and are generally motile. CORRECT ANSWERProtozoa 5. Which of the following statements about fungi is false? A) Fungi are eukaryotes. B) Molds form hyphae. C) Fungi have a cell wall. D) Fungi are photosynthetic. E) Yeasts are unicellular 6. Which of the following is not a characteristic of protozoa? A) Most exhibit asexual reproduction. B) They are single-celled organisms. C) They are eukaryotic organisms. D) They are the microbes most similar to plants. E) They frequently possess cilia or flagella. 7. Which of the following is NOT a characteristic of viruses? A) They are visible with a light microscope. B) They are acellular. C) They are composed of genetic material and protein. D) They are smaller than prokaryotic cells. E) They are obligatory parasites. 8. They are visible with a light microscope. Which of the following bacterial cell structures plays an important role in the creation of biofilms? A) glycocalyces B) flagella C) cell wall D) pili 9. Which of the following is (are) (a) magnifying lens(es)? A) condenser B) objective C) ocular D) dark-field stop E) both the objective and the ocular 10. All of the following are associated with smear preparation except? A) agglutination of the specimen B) spreading the specimen onto a slide C) killing the microbes in the specimen D) fixation using methanol or formalin E) fixation using heat . 11. What distinguishes bacteria from archaea? CORRECT ANSWERThe cell of bacteria are composed of peptidoglycan. 12. What tells you how many protons are in an atom? CORRECT ANSWERAtomic number. 13. The subatomic particles found in the nucleus of an atom are?