Biotech's Impact on Sustainability and Manufacturing

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Questions and Answers

What is the estimated annual savings in the cleaning industry due to biotech advancements?

  • $5.2 billion
  • $10.2 billion
  • $4.1 billion (correct)
  • $1.1 billion

By what percentage can biotech improve crop yields with fewer inputs?

  • 30%
  • Unknown (correct)
  • 50%
  • 20%

What is the estimated reduction in greenhouse gas emissions by using biofuels?

  • 40% or more
  • 30% or more
  • 52% or more (correct)
  • 60% or more

What is one of the benefits of biotech in manufacturing processes?

<p>Improving manufacturing process efficiency to save 50% or more on operating costs (C)</p> Signup and view all the answers

What is one of the benefits of biotech in agriculture?

<p>Reducing the run-off of agricultural chemicals into the environment (D)</p> Signup and view all the answers

What is one of the applications of biotech in food production?

<p>Producing foods free of allergens and toxins (A)</p> Signup and view all the answers

What is the primary purpose of a growth medium?

<p>To provide nutrients for microorganisms to grow and reproduce (D)</p> Signup and view all the answers

What is the typical diameter of a Petri dish?

<p>10-11 cm (D)</p> Signup and view all the answers

What is the purpose of a Bunsen burner in a laboratory?

<p>To sterilize equipment and materials (A)</p> Signup and view all the answers

What is the purpose of an inoculation loop?

<p>To transfer microorganisms from one test tube to another (D)</p> Signup and view all the answers

Why must an inoculation loop be sterilized before each use?

<p>To prevent contamination of cultures (B)</p> Signup and view all the answers

What led to the realization of the enormous diversity of microorganisms?

<p>The invention of the microscope (C)</p> Signup and view all the answers

What do photosynthetic bacteria use for energy?

<p>Energy derived from sunlight (D)</p> Signup and view all the answers

What is a characteristic that distinguishes archaeal cell walls from bacterial cell walls?

<p>Presence of pseudopeptidoglycan (A)</p> Signup and view all the answers

What is the domain that contains all eukaryotes?

<p>Eukarya (B)</p> Signup and view all the answers

What is true about archaea in the human body?

<p>Some archaea live in the human body, but none have been shown to be human pathogens (B)</p> Signup and view all the answers

What do nonphotosynthetic bacteria obtain their energy from?

<p>Energy from organic or inorganic compounds (B)</p> Signup and view all the answers

What is a characteristic shared by archaea and bacteria?

<p>They are both unicellular prokaryotic organisms (C)</p> Signup and view all the answers

What is the characteristic that distinguishes eukaryotes from other organisms?

<p>Presence of a nucleus (C)</p> Signup and view all the answers

What is the main function of algae in ecosystems?

<p>Production of oxygen and carbohydrates (B)</p> Signup and view all the answers

What is the primary component of the cell walls of algal protists?

<p>Cellulose (A)</p> Signup and view all the answers

What is the term for the process by which algae extract energy from the sun?

<p>Photosynthesis (A)</p> Signup and view all the answers

What is the name of the gel derived from algae that is used in microbiology laboratories?

<p>Agar (C)</p> Signup and view all the answers

What is the potential application of algae in the energy industry?

<p>Development of biofuels (C)</p> Signup and view all the answers

What is the main benefit of having a higher numerical aperture in a microscope?

<p>To improve the resolution of the microscope (D)</p> Signup and view all the answers

What is the primary challenge in distinguishing small structures in many specimens using a microscope?

<p>The microorganisms are relatively transparent (D)</p> Signup and view all the answers

What is the purpose of using dyes in light microscopy?

<p>To bind to some structures but not others to improve contrast (A)</p> Signup and view all the answers

What is the function of the x-y mechanical stage knobs in a microscope?

<p>To move the slide on the surface of the stage (C)</p> Signup and view all the answers

What is the term for the visible differences between the parts of a specimen in a microscope?

<p>Contrast (A)</p> Signup and view all the answers

What is the name of the platform on which the glass slide is placed in a microscope?

<p>Stage (C)</p> Signup and view all the answers

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