There are 4 essay questions. Please be sure to complete all of them individually, numbered 1 -4. Complete all with thorough, substantive responses.
Citations are required for all responses. APA STYLE
- Provide an example of an organism within each of the four main nutritional categories of microbes and describe how each obtains its essential nutrients.
- Provide evidence in support of or refuting the following statement: Microbial life can exist in the complete absence of both sunlight or organic nutrients.
- Polymerase chain reaction (PCR) is a technology that requires high temperatures to reproduce DNA fragments. Explain why the discovery of thermophilic archaea and their associated DNA polymerases was critical to the success of this technique.
- Summarize how the electron transport chain functions to produce ATP in a bacterial cell versus eukaryotic cell. Explain whether or not the term chemiosmosis accurately illustrates this process.
