STS FINAL EXAM REVIEWER

• The Philippines is home to a large number of unique plant and animal species, making it one of the most biodiverse countries in the world.
• Gene delivery in gene therapy

  Delivering the gene in a lipid nanoparticle
• Types of gene therapy

  Viral and non-viral
• Advantage of using viruses as vectors in gene therapy

  They can easily enter cells and deliver genetic material
• Philippines as a megadiversity country


  • Home to a wide range of endemic species, meaning they are found nowhere else in the world
• Difference between food chain and food web

  A food chain is a simple linear model of energy flow, while a food web shows the complex, interconnected relationships between multiple food chains
• Commensalism


  • A shark and a remora fish
  • A tick and a human
• Biodiversity


  The variety of life forms, including genetic, species, and ecosystem diversity
• Outcomes of interspecific competition

  Extinction and Evolution
• Predation


  • Lions hunting and killing a zebra
• Biodiversity hotspot


  Has a significant number of endemic species and high levels of habitat loss
• Republic Act 9147


  A law that protects and conserves the country's wildlife resources
• Parasitic relationship


  A relationship in which one organism benefits while the other is harmed
• Food web


  A model of the flow of energy and nutrients in the ecosystem
• Difference between climate and weather

  Climate refers to long-term patterns, while weather describes day-to-day conditions
• Transportation sector's contribution to greenhouse gas emissions

  Through the burning of fossil fuels in cars, trucks, and airplanes
• 1. Which of the following is a major positive impact of nanotechnology on society a. Increased pollution. ANSWER: b. Improved energy efficiency. c. Decreased access to healthcare. d. Increased economic inequality.
• 2. Which of the following is NOT an example of a nanomaterial? a. Bronze ANSWER: b. Graphite c. Carbon Nanotubes d. Titanium oxide (TiO 2 )
• 3. What is a potential negative impact of nanotechnology on the environment? a. Increased resource depletion. b. Increased air pollution. c. Increased soil erosion. d. All of the choices.


  ANSWER IS D.
• 4. What is the difference between a top-down and a bottom-up approach to nanofabrication?

  • Top-down approaches involve breaking down larger structures, while bottom-up approaches involve building up smaller structures.