BIOS 242 Test 1 and Test 2 With Revised Answers 2023 Grade A+ Guaranteed Pass.

BIOS 242 Test 1 and Test 2 With Revised Answers 2023 Grade A+ Guaranteed Pass. (TCO 1) The swan-necked flasks of Pasteur’s experiments Student Answer: allowed for airflow without allowing the introduction of environmental microbes. turned the flask cloudy. contributed to supporting the theory of spontaneous generation. allowed the flasks to temporarily turn cloudy and then become clear after a period of time. All of the above Instructor Explanation: Chapter 1, The Golden Age of Microbiology section Points Received: 2 of 2 Comments: Question 2. Question : (TCO 1) Which of the following is NOT a characteristic of algae? Student Answer: They reproduce asexually by budding. They may be single celled or multicellular. They are photosynthetic. They are eukaryotic organisms. They provide much of the world’s oxygen. Instructor Explanation: Chapter 1, The Early Years of Microbiology section Points Received: 2 of 2 Comments: Question 3. Question : (TCO 1) What is metabolism? Student Answer: It is a calculation of how quickly food can be broken down. It is the building of more complex structures from subunits in an organism. BIOS 242 Test 1 and Test 2 With Revised Answers 2023 Grade A+ Guaranteed Pass. It is the sum of all of the chemical reactions in an organism. It is the breakdown of large molecules into individual subunits. It is the production of glucose by a plant cell. Instructor Explanation: Chapter 1, The Golden Age of Microbiology section Points Received: 2 of 2 Comments: Question 4. Question : (TCO 1) Why are microorganisms so important to our ecosystems? Student Answer: They enrich soil. They degrade wastes. They support life. None of the above All of the above Instructor Explanation: Chapter 1, Introduction page Points Received: 2 of 2 Comments: Question 5. Question : (TCO 2) Photosynthetic bacteria Student Answer: produce glucose and oxygen. may also be nitrogen fixers. have chloroplasts. cannot tolerate oxygen in their environment. all have heterocysts. Instructor Explanation: Chapter 11, Survey of Bacteria section Points Received: 0 of 2 Comments: Question 6. Question : (TCO 2) Which of the following statements is NOT true about endospores? Student Answer: They are reproductive structures. They are formed by the Clostridium species. They may be classified as central, subterminal, or terminal. They are formed when conditions are suboptimal. Endospore-forming bacteria cause tetanus and anthrax. Instructor Explanation: Chapter 11, General Characteristics of Prokaryotic Organisms section Points Received: 2 of 2 Comments: Question 7. Question : (TCO 2) What is the potential overall magnification of a microscope that has a 10X ocular lens and a 40X objective lens? Student Answer: 10X 40X 390X 400X 410X Instructor Explanation: Chapter 4, Microscopy section.