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Unformatted text preview: Questions Related to the Carbon-Cycle Lecture
1. Some bacteria, which degrade cellulose, attach to cellulose fibers. What advantage
might this attachment serve for the bacteria? 2. Syntrophic microbes are not able to grow in pure culture. What is the reason for this
lack of growth? What could you add to the syntrophic microbes to allow growth? 3. What is autotrophic growth?
a) growth using CO2 as the sole carbon source
b) growth using CO2 as an electron donor for respiration
c) growth using CO2 as an electron acceptor for respiration
d) growth using CH4 as the sole carbon source
e) growth using CH4 as an electron donor for respiration
f) growth using CH4 as an electron acceptor for respiration
4. There are two enzymes that are unique to the Calvin Cycle. Speculate on how could
you use knowledge of enzymes unique to each of the different pathways for CO2 fixation
to help develop models of global carbon cycling. ...
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- Summer '10