BIOD 171 Final Exam Questions And Solutions Essential Microbiology W/ Lab: Portage Learning

BIOD 171 Final Exam Questions And Solutions Essential Microbiology W/ Lab: Portage Learning The function of the ribosome is (select all that apply): - Wast disposal via hydrolytic enzymes - To produce energy (ATP) - Protein synthesis - Lipid synthesis - Protein modification and distribution - ANSWER -- Protein synthesis - Protein modification and distribution Identify the following cellular components by matching the number with the description. Rough endoplasmic reticulum Golgi apparatus Nucleus Cell wall Plasma membrane Centriole Lysosome - ANSWER -review diagram 1- C 2- G 3- E 4- B 5- A The combination of the cell membrane and the outer membrane is referred to as the (select all that apply): Capsid Cell envelope Outer leaflet Cell wall - ANSWER -Cell envelope The function of the mitochondria is (select all that apply): Protein modification and distribution To produce energy (ATP) Lipid synthesis Protein synthesis Waste disposal via hydraulic enzymes - ANSWER -To produce energy (ATP) The function of the Golgi is (select all that apply): Protein modification and distribution To produce energy (ATP) Waste disposal via hydraulic enzymes Lipid synthesis Protein synthesis - ANSWER -Lipid synthesis True or False. All multicellular microorganisms classified as Animalia is autotrophic. - ANSWER -False What is the primary byproduct of the TCA cycle? Select all that apply. NADH FAD FADH2 NAD+ - ANSWER -- NADH - FADH2 How many ATP does the tricarboxylic acid (TCA) cycle produce per pyruvate? 1 2 4 34 - ANSWER -1 ATP In the absence of glucose, which of the following can be used as alternative energy sources? Select all that apply. Nucleic acids Lactose Carbohydrates Lipids - ANSWER -- Lactose - Carbohydrates - Lipids True or False. The β-oxidation pathway catabolizes the fatty acid chains of lipids. - ANSWER -True In the absence of glucose, which of the following CAN NOT be used as alternative energy sources? Select all that apply. Carbohydrates Nucleic acids Lactose Fatty acid chains - ANSWER -Nucleic Acids True or False: Chloroplasts are specific to algae and plants. - ANSWER -True True or False. The β-oxidation pathway is responsible for the ANABOLISM of fatty acid chains. - ANSWER -False the β-oxidation pathways is responsible for CATABOLISM of fatty acid chains The process of carbon fixation begins with which of the following reactants: select all that apply. NADH ATP H20 Glyceraldehyde-3-phosphate CO2 - ANSWER -- NADH - ATP - H20 -CO2 In phosphorylation, the light reactions always occur where? - ANSWER -In the membrane The process of photophosphorylation produces which of the following: select all that apply. NADPH H20 ATP CO2 Glyceraldehyde-3-phosphate - ANSWER -- NADH - ATP True or False. The Calvin cycle must occur in the absence of light. - ANSWER -False True or False. The following decolorization step of the Gram stain, gram-negative bacteria will appear colorless. - ANSWER -True True or False: The distinguishing characteristic of Gram-Negative bacteria is the presence of LPS in the outer membrane. - ANSWER -True True or False: If you wish to study the motility of an organism you cannot heat fix, but you can chemically fix the specimen. - ANSWER -False Heat fixing and chemical fixing will kill the cell Name on substance capable of chemically fixing to a slide. - ANSWER -ethanol You want to observe the size and shape of a cell. What is the easiest staining technique that you could perform? Name at least one dye you would use during this process. - ANSWER -- A simple stain - crystal violet dye. You suspect a patient may have TB. Once a sample has been obtained, it is sent off to the lab for an acid-fast stain. If the patient were infected with TB, describe what you would expect to see on the stained slide. - ANSWER -Red cells on a blue background