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Unit 3 Lec Objectives

Unit 3 Lec Objectives

Q 1.Describe the methods the following microbes use to obtain their carbon and their energy. a) Photoautotroph b) Chemoautotroph c) Photoheterotroph 2. 2. Explain the importance of water, pH, temperature, light and atmospheric gasses to the growth of microorganisms.

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1. a)a) Photoautotroph- It uses light as an energy source and carbon dioxide as a carbon source. b)b) chemoautotroph – use chemicals as an energy source and and carbon dioxide as a carbon source c) c) photoheterotroph – It uses light as an energy source and organic compounds other than carbon dioxide for carbon source.