Unit Review 1 1) Which is true of Prokaryotic cells? A B C D 2 green true membrane-bound harmful 6) Archaea bacteria is ________ bacteria. A B C D 7 Thermophiles Hydrophiles Halophiles Methanogens 5) Eu- means ________. A B C D 6 They have a common ancestor. Both Gram Stain well. They both live in extreme environments. Both bacteria are true bacteria. 4) What type of bacteria produce CH4 gas as a product of respiration? A B C D 5 35 billion 2.0 billion 3.5 billion 6.5 billion 3) What is true of Eubacteria and Archaebacteria? A B C D 4 Prokaryotic cells have membrane-bound organelles. Prokaryotic cells do not have a nuclear membrane. Prokaryotic cells have a nuclear membrane. Prokaryotic cells divide by mitosis. 2) The Archaea bacteria formed about ________ years ago. A B C D 3 Page 1 membrane-bound green true ancient 7) How can we use a bacterial cell membrane? A B C D To increase the pathogenicity of the bacteria. Protein synthesis. To support and protect the cell. To help us identify the bacteria. 12/4/2006 1:30:00 PM Unit Review 8 8) How are flagella used in bacteria? A B C D 9 Cilia Flagella Fimbrae Pili 13) Which of the following is NOT a source of nutrients or energy for bacteria? A B C D 14 Binary Fission Conjugation Endospore formation Bacterial Fission 12) What type of bacterial structure mediates conjugation? A B C D 13 By the plane in which the bacteria divide. By the number of bacteria in a chain or cluster. By the shape of bacteria. By the rate at which the groups are formed. 11) In this common type of bacterial reproduction, the bacteria splits into two new bacteria. A B C D 12 Coccus, spirillum, and vibrio. Spirillum, coccobacillus, and spirochete. Bacillus, coccus, and spirochete. Spirillum, coccus and bacillus. 10) How are bacterial groupings determined? A B C D 11 Adhesion to surfaces. Locomotion. Transfer of genetic material . Attachment to host. 9) What are the most common (the ones you should know) shapes for bacteria? A B C D 10 Page 2 Chemicals Carbon Sunlight Inorganic matter 14) What are the four factors that influence bacterial growth? A B C D Temperature, pH, oxygen, moisture Moisture, pH, carbon dioxide, temperature pH, oxygen, sunlight, moisture Oxygen, temperature, pH, sunlight 12/4/2006 1:30:00 PM Unit Review 15 15) What is sterilization? A B C D 16 C D Hair Mucus membrane Cilia Skin 20) What are the two cell types associated with the non-specific defense? A B C D 21 Immune and non-specific. Specific and immune. Specific and non-specific. Non-pathogenic and specific. 19) What is the first line of defense against a pathogen? A B C D 20 To filter lymph before it returns to the blood. To recover fluid from the body tissues. To neutralize or destroy all things "non-self". To produce T-cells. 18) What are the two types of body defense? A B C D 19 Something that fights an antigen Substance produced by microorganisms that in small amounts inhibits another microorganism. Substance usually produced naturally by a virus. A substance that fights off only viruses. 17) What is the function of the Immune System? A B C D 18 Removal of most microbes. Microbes are removed to a safe, public-health level. The process to delay spoilage of consumable goods. The destruction of all microorganisms. 16) What is an antibiotic? A B 17 Page 3 Leukocytes & Antibodies. Phagocytes & Leukocytes. Leukocytes & Erythrocytes. Phagocytes & Interferons. 21) What is the function of a macrophage (phagocyte) and where do they reside? A B C D Produce T-cells, thymus Engulf or "eat" foreign debris, blood stream Recover fluid from body tissues, blood stream Engulf or "eat" foreign debris, lymph organs 12/4/2006 1:30:00 PM Unit Review 22 22) What is the function of a Leukocyte? A B C D 23 Passive Active Non-specific Cell-mediated 27) What type of immunity is a natural response to an antigen? A B C D 28 A good thing. Immunity. Resistance. Non-specific defense. 26) When you are injected with antibodies produced from another organism, you will most likely develop a(n) ________ immunity. A B C D 27 viral proteins, proteins, ant-viral protein anti-viral proteins, viral proteins, protein anti-viral proteins, proteins, viral protein viral proteins, anti-viral proteins, protein 25) Our ability to ward off a specific infection or disease is known as: A B C D 26 Pain Fever Inflammation Infection 24) Interferons are ______ that help non-infected cells make ______ that block ______ synthesis. A B C D 25 To bind to an invader, release chemicals, causing the foreign cell to lyse. Engulf or "eat" foreign debris. Produce T-cells. Police the blood and lymph. 23) A local defense response to tissue injury is known as ________. A B C D 24 Page 4 Non-specific Passive Cell-mediated Active 28) Gram Staining is what type of a stain? A B C D Developmental Differential Distinguishable Detrimental 12/4/2006 1:30:00 PM Unit Review 29 29) Why do we stain specimens? A B C D 30 Mosquito only virus. Arthropod-Borne virus Human-borne, arthropod spread. Human only virus. 33) What is a foodborne illness? A B C D 34 throat, an ongoing cough and night sweats. lungs, weight gain and ongoing cough. lungs, an ongoing cough and blood sputum. liver, bloody sputum and weight loss. 32) DF (Dengue Fever) is an arbovirus, which is a what? A B C D 33 Heat fix specimen, Crystal Violet, Iodine, Decolorizer, Safranin. Crystal Violet, Heat fix specimen, Safranin, Decolorizer, Iodine. Heat fix specimen, Crystal Violet, Iodine, Safranin, Decolorizer. Crystal Violet, Decolorizer, Iodine, Heat fix specimen, Safranin. 31) TB is an immune disease that largely affects the ________ and causes ________. A B C D 32 Because it is more fun to look at stained cells. So that we can see them under UV light. To help us better view a cell's structure. So that we can make them purple. 30) List the different steps in the Gram Staining procedure, in order: A B C D 31 Page 5 Illness caused by eating microorganism-contaminated food. Any toxin, living organism, or other agent that can cause disease. Illness caused by consuming any type of raw food. Any type of chemical produced by a microorganism. 34) If you are dehydrated, have abdominal cramps, severe diarrhea, and are vomiting, it is likely that you have contracted ________. A B C D Avian Influenza Mumps Food poisoning from E. coli West Nile Virus 12/4/2006 1:30:00 PM Unit Review Page 6 Answer Key : Unit Review Question: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 12/4/2006 1:30:00 PM Answer B C A D B D D B D A A D D A D B C C D B D A C C B A D B C A C B A C