Prokaryotic organisms have recently been divided into two domains, Bacteria and Archaea. Which of the following is NOT correctly matched in terms of Domain and prokaryote? Eubacteria, spirochetes Archaea, halophiles Eubacteria, cyanobacteria Archaea, methanogens Archaea, spirochetes
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Prokaryotic organisms have recently been divided into two domains, Bacteria and Archaea. Which of the following is NOT correctly matched in terms of Domain and prokaryote?
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- In the domain system of classification, prokaryotes are divided into two domains: Bacteria and Archaea. The two domains differ in all BUT one feature. Which feature do they have in common? Question options: They both have identical cell walls. They both have prokaryotic cells. They both thrive in extreme environments. They both are able to live only under anaerobic conditions.Why do some microbiologists disagree with classifying bacteria and archaea as “prokaryotes”?Archaea are so named because option1-their cell structure is thought to be more primitive than the cell structure of bacteria option2-they arose from the joining of members from the Archaea and Bacteria Domains. option3-many survive in extreme conditions thought to be similar to ancient earth option4-they are thought to be the first group of prokaryotes to evolve on earth
- Why is there a debate as to whether archaea is classified as prokaryotic or eukaryoticAll Archaea and bacteria are microscopic, prokaryotic organisms. However, Archaea and bacteria differ in significant ways. Which of the following is the MOST important reason that Archaea and bacteria belong to separate biological domains? O Archaea do not have a nucleus O Archaea are often resistant antibiotics O Archaea often live in more extreme conditions than bacteria O Archaea are found as single cells or coloniesConstruct your own concept map using the following words as the concepts. Supply the linking words between each pair of concepts. (Make one concept map for prokaryotic microbes and another for eukaryotic microbes) PROKARYOTIC MICROBES: genus species serotype domain Borrelia burgdorferi spirochete EUKARYOTIC MICROBES: Golgi apparatus chloroplasts cytoplasm endospore ribosomes flagella nucleolus
- What are the flaws ? Prokaryotes can live in many different environments. Anerobic organisms need oxygen to survive, while aerobic organisms can survive without oxygen. Autotrophs are organisms that can assemble high energy macromolecules for their energy. Chemotrophs are organisms that capture energy from light. Extremophiles are organisms that grow in extreme conditions like boiling water. Gram-positive bacteria have few layers of peptidoglycan, while gram-negative bacteria have many layers of peptidoglycan and are surrounded by an outer membrane. Harmful bacteria can cause illness like food poisoning. Helpful bacteria can be used in food production to make yogurt. The endosymbiotic theory states that some of the organelles in eukaryotes were once free living prokaryotes. This is supported by the mitochondria and cytoplasm since they have their own DNA and ribosomes. Harmful protists can cause diseases like malaria in humans and downy mildew in plants. Helpful protists can be… What were the earliest forms of life on Earth? What was the energy source for the earliest form of life on earth? What are the earliest records of life on Earth? What is able to grow and thrive under conditions that would kill most other organisms (high/low pH, etc)? What are psychrophiles? Describe radioresistant prokaryotes and their habitat preferences. Who developed postulates to identify disease-causing organisms? What percent of bacteria and archaea cannot be cultured? Describe the viable-but-not-culturable state of prokaryotes. Describe planktonic prokaryotes. Why do biofilms form? What holds biofilms together? Structure of Prokaryotes Describe the nucleoid. Describe conjugation. What happens during binary fission? What are cell walls of prokaryotes primarily composed of? What structure of Archaea is different from other domains of life? What is the Bacteria division into two groups based on? Prokaryotic Metabolism Which macronutrient is…Prokaryotes are classified by their shape and their cell arrangement. Identify the bacteria in the picture below. * Bacillus O Coccus Spirochete O Vibrio The absence of which organelle separates bacteria from being classified as eukaryotes?
- Bacteria are classified in which of the following domains? Eukaryote Prokaryote Fungal PlantaeBeneficial prokaryotes commonly found in food are in which domain? Bacteria Archaea Eukarya None of the aboveIf you visit a lake in the middle of the Amazon and take water samples to analyze under a microscope from a nearby university that has good instrumentation and there you detect microorganisms that are not visible to the naked eye. What studies would you do to determine if they are bacteria, archaea, fungi or protozoa? Explain each type of analysis and how would you rule out members of each group? Write at least 3 paragraphs