1. Which of the following could be an engineering project that could better protect the planet?
-finding a new landfill site
-designing a better trash compacter
-deciding which product can be recycled***
-growing microbes that eat oil
2. Engineers who are working to find alternative fuel sources hope to
-reduce air pollution**
-use more fossil fuels
-design microorganisms that will eat oil
-increase the yield of food crops
3. What is the goal of synthetic biology?
-the goal of synthetic biology is to mimic living cells
-the goal of synthetic biology is to generate new tissues to replace damaged tissue**
-the goal synthetic biology is to engineer living cells to preform specific functions
-the goal synthetic biology is to improve the function of mechanical hearts
4. In a medical setting, an engineer is most likely to
-diagnose deadly diseases
-maintain patient records
-assist in surgical procedures
-design diagnostic equipment***
B
A
C
D
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1. The correct answer is "deciding which product can be recycled." To determine which project could better protect the planet, we need to analyze the potential impact of each option. Finding a new landfill site might minimize immediate waste accumulation but does not address the long-term sustainability of waste management. Designing a better trash compactor might reduce the volume of waste but does not address the issue of waste disposal itself. However, deciding which product can be recycled can promote the use of sustainable materials, reduce waste generation, and conserve resources, making it an engineering project that could better protect the planet.
To determine this, engineers can conduct a life cycle analysis (LCA) on different products to evaluate their environmental impact from extraction to disposal. They can consider factors such as raw material sourcing, energy consumption, emissions, and recyclability. By analyzing this data, they can identify which products have the least impact on the planet and prioritize their usage or promote their recycling.
2. The correct answer is "reduce air pollution." Engineers working to find alternative fuel sources aim to develop cleaner energy options that emit fewer pollutants compared to traditional fossil fuels. By reducing air pollution, these engineers help mitigate the negative effects of greenhouse gases and improve overall air quality.
To achieve this goal, engineers can focus on developing renewable energy sources, such as solar, wind, hydroelectric, or bioenergy, which have lower or zero emissions. They can also work on improving technologies for electric vehicles or developing more efficient combustion engines that emit fewer harmful emissions.
3. The correct answer is "the goal of synthetic biology is to engineer living cells to perform specific functions." Synthetic biology involves the design and construction of new biological parts, devices, and systems to create functional organisms with desired properties. Its goal is to manipulate and reprogram living organisms to perform specific functions or produce useful substances.
Engineers working in synthetic biology use principles from engineering and biology to design genetic circuits, modify genetic materials, and create novel biological systems. These engineered systems can be used for various applications, such as creating renewable energy sources, producing pharmaceutical substances, or developing biosensors.
4. The correct answer is "design diagnostic equipment." In a medical setting, an engineer is most likely to be involved in designing diagnostic equipment. These engineers utilize their technical knowledge and skills to create medical devices that aid in diagnosing diseases and monitoring patient health.
They work closely with healthcare professionals to understand their diagnostic needs and design equipment such as imaging systems (MRI, CT scan), laboratory analyzers, monitoring devices (ECG, EEG), and diagnostic tools (blood glucose monitors, DNA sequencers). These devices play a crucial role in detecting, preventing, and treating diseases.