Microbiology 1
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Questions and Answers

Which microorganism is known for producing alkaline protease in response to nutrient limitation?

  • Penicillins
  • Streptomycin
  • Botulinum toxin
  • Bacillus licheniformis (correct)

    • Which microbial product is used as a cholesterol-lowering agent?

  • Lovastatin (correct)
  • Antimicrobials
  • Insulin
  • Endolysins

    • In the context of biotechnology, which process involves genetically modifying bacteria to produce therapeutic proteins like insulin?

  • Cholesterol-lowering with lovastatin
  • Protease digestion of protein-based stains
  • Enzyme production in laundry detergent
  • Recombinant Vaccines (correct)

    • Which of the following fields benefit from microbiology's impact in studying pathogens and infectious diseases?

    <p>Food safety and public health</p> Signup and view all the answers

    In which of the following areas does microbiology play an important role in preventing spoilage?

    <p>Food preservation</p> Signup and view all the answers

    How does microbiology contribute to the study of water and sewage treatment processes?

    <p>By analyzing the microbial communities for effective treatment methods</p> Signup and view all the answers

    Which of the following benefits from microbiology's impact on studying pathogens and infectious diseases?

    <p>Medical treatments and drug development</p> Signup and view all the answers

    What is the term used to define the deterioration of a product by a contaminating microbe?

    <p>Microbial spoilage</p> Signup and view all the answers

    In practical microbiology, what type of media allows for the identification of unknown microbes?

    <p>Specialist media</p> Signup and view all the answers

    What is the primary purpose of molecular microbiology as mentioned in the text?

    <p>Investigate gene expression and protein profiles</p> Signup and view all the answers

    Which area of microbiology is concerned with the fermentation processes in the production of food and beverages?

    <p>Industrial microbiology</p> Signup and view all the answers

    What is the main function of alkaline proteases in laundry detergents?

    <p>Digest protein-based stains</p> Signup and view all the answers

    Which microorganism is known for producing Botulinum toxin, a neurotoxin?

    <p>Escherichia coli (Bacteria)</p> Signup and view all the answers

    In pharmaceutical microbiology, which product can be used as a natural antimicrobial?

    <p>Streptomycin</p> Signup and view all the answers

    Which of the following is NOT considered a microorganism?

    <p>Mosquitos</p> Signup and view all the answers

    In the context of microbiology, which term best describes the study of communities of microbes?

    <p>Microbial Ecology</p> Signup and view all the answers

    Which field benefits significantly from the impact of microbiology in the study of pathogens and infectious diseases?

    <p>Epidemiology</p> Signup and view all the answers

    Which type of microorganism is extensively studied in pharmaceutical microbiology due to its relevance in drug development?

    <p>Bacterium</p> Signup and view all the answers

    What is the primary focus of microbial spoilage in pharmaceutical products?

    <p>Causing economic loss</p> Signup and view all the answers

    How are microbes utilized in practical microbiology for identifying unknown species?

    <p>By using enriched growth media</p> Signup and view all the answers

    Which process characterizes molecular microbiology's extraction of genetic components from microbes?

    <p>Whole genome sequencing</p> Signup and view all the answers

    What distinguishes the application of microbial spoilage in pharmaceutical products from other industries?

    <p>Spoilage affecting product quality</p> Signup and view all the answers

    What is the primary role of alkaline proteases in the context of enzyme biotechnology?

    <p>Digesting protein-based stains in laundry detergents</p> Signup and view all the answers

    In the field of recombinant medicinal products, what was the significance of Insulin (humulin) as a therapeutic protein?

    <p>It was the first therapeutic protein genetically modified from bacteria</p> Signup and view all the answers

    How are microbes typically utilized in practical microbiology for identifying unknown species?

    <p>By analyzing their growth patterns and metabolic characteristics</p> Signup and view all the answers

    How can microbial spoilage impact pharmaceutical products?

    <p>By increasing risks to patients due to safety and quality concerns</p> Signup and view all the answers

    What is a key characteristic of practical microbiology for identifying unknown microbes?

    <p>Having the option to use non-selective or specialist media</p> Signup and view all the answers

    In enzyme biotechnology, what role do alkaline proteases play?

    <p>Aiding in the breakdown of proteins in laundry detergents</p> Signup and view all the answers

    How does recombinant technology impact the production of medicinal products like Gardasil?

    <p>It enables the creation of viral proteins within bacterial hosts</p> Signup and view all the answers

    What is a common misconception about enzyme biotechnology?

    <p>Enzymes in enzyme biotechnology are not protein molecules.</p> Signup and view all the answers

    Which statement about recombinant medicinal products is FALSE?

    <p>Recombinant medicinal products are not produced using genetic engineering techniques.</p> Signup and view all the answers

    In practical microbiology, what is a common misconception regarding the identification of unknown species?

    <p>Unknown species can be easily identified using a single type of media.</p> Signup and view all the answers

    Which statement about microbial spoilage is a common misconception?

    <p>Microbial spoilage does not impact pharmaceutical products.</p> Signup and view all the answers

    what are the size of microbes?

    <p>1mm</p> Signup and view all the answers

    fungi can form what type of cellular structure?

    <p>multicellular</p> Signup and view all the answers

    viruses have what kind of structures?

    <p>acellular</p> Signup and view all the answers

    which one of these have the smallest unit?

    <p>Viruses 100nm</p> Signup and view all the answers

    All microbes are harmless?

    <p>False</p> Signup and view all the answers

    what's the most common bacterial infections?

    <p>Staphylococcus aureus</p> Signup and view all the answers

    what's the unfriendly type of bacteria?

    <p>pathogens</p> Signup and view all the answers

    what's the friendly type of bacteria?

    <p>Commensals</p> Signup and view all the answers

    color code the colours with their application in biotechnology

    <p>green = agriculture white = industrial yellow = food technology blue = aquatic</p> Signup and view all the answers

    which application does the colour red stand for in biotechnology?

    <p>medical and pharmaceutical</p> Signup and view all the answers

    which application does the colour black stand for in biotechnology?

    <p>bioterrorism</p> Signup and view all the answers

    match the microorganism with its product

    <p>Saccharomyces cerevisiae = bread, beer,wine Lactobacillus spp. = yoghurt, bread aspergillus niger = citric acid streptomycin griseus = streptomycin</p> Signup and view all the answers

    what are the natural products of microbial origin?

    <p>all of the above</p> Signup and view all the answers

    what are the two methods that can help us grow bacteria in a lab?

    <p>nutrient rich and non-selective</p> Signup and view all the answers

    which of these organisms are not routinely studied in micro?

    <p>prions</p> Signup and view all the answers

    what colour is associated with the application of biotechnology for aquatic purposes?

    <p>blue</p> Signup and view all the answers

    Which of the following statements are true

    1. The number of microbes within a healthy human gut outnumbers the total number of human cells in the body

    2. The study of microorganisms is confined to individual species

    3. If antibiotic resistance is not properly tackled then by 2050 the total number of deaths per year could outweigh cancer and diabetes combined

    <p>1&amp;3</p> Signup and view all the answers

    Choose the correct size order (largest to smallest) from the following list

    <p>chicken egg, red blood cells, bacteria, virus, carbon atom</p> Signup and view all the answers

    Which of the following statements are true?

    1. Some microorganisms naturally produce compounds which have medical applications

    2. The study of microorganisms has allowed mathematical models of disease spread to be created

    3. The discovery of antibiotics during the 1960s revolutionised medicine

    <p>1 &amp; 2</p> Signup and view all the answers

    Which microorganism is responsible for producing the antibiotic Streptomycin

    <p>streptomyces griseus</p> Signup and view all the answers

    What colour is associated with the application of biotechnology for food technology

    <p>yellow</p> Signup and view all the answers

    Which of the following would be an example of molecular microbiology?

    <p>measuring the rate of bacterial gene expression</p> Signup and view all the answers

    Approximately what size is a virus?

    <p>100 nm</p> Signup and view all the answers

    Which of the following techniques would be most appropriate for visualising the detailed features of a bacterial cell wall

    <p>transmission electron microscopy</p> Signup and view all the answers

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