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Archaebacteria is an organism that converts the carbon dioxode to methane by a process called methanogenesis. In this process H2 is the donor of reducing equivalents and Co2 is the electron acceptor. In archabacteria,the electron transport chain can be run in reverse. In this direction, the energy in the proton gradientis used to drive the reduction of CO2 to HCOOH and ultimatley th CH4 rather than reducing power driving the formation of a proton gradient as in typical electron transport. The H2 provides the reducing equivalents that are further transferred via other electron carriers.
a. Which way are the protons flowing during reverse electron transport chain? From the acidic outside to the basic inside or from the basic inside to the acidic outside?
b. During the normal electron transport chain which way are the protons floeing? From the acidic outside to the basic inside or from the basic inside to the acidic outside?
c.During the normal electron transport chain what is the trend inreduction potentials and what do the vaues mean?
Explain how the two different kinds of mountains are formed by plate movement. Be sure to mention how the density of the plates affects what kind of mountains form.
Which of these statements can apply to endocrine disruptors.
Explain the three steps of nitrogen conversion from ammonia to nitrogen gas, and for each step identify the representative bacteria, electron donor, electron acceptor, and carbon source.
Include the ratios of both the genotypes and phenotypes. Set up each punnett square by creating a table with your word processing program. For a one factor cross a 3 x 3 table works providing space for the gametes and the offspring. Parental cross..
Considering the nomenclature conventions used for fruit fly genetics, how are mutant and wild type alleles of genes distinguished when writing out a cross? How are dominant mutant alleles designated?
The Young and the Restless has a couple people that suffer from a rapid aging syndrome that involved a young child that is sent off to boarding school and returns three months as an teenager.
Which of the following does NOT have a role in speech?
Estimate how would you explain the change in variation of the virus population after 1000 generations? There is more variation after 1000 generations.
summarize the main events that occur in interphase, prophase, metapagse, anaphase and telophase.
A signalling pathway in the cell is turned on by phosphorylation, leading to reduces in cell division. Determine the effect of a mutation that results in the overexpression of an oncogene coding
Examine of the bases of a sample of nucleic acid yielded these percentages: A= 20%, G= 30%, C= 20%, T= 30 percent. Explain why is the sample single stranded DNA.
develop two alternative hypotheses and experiments on the problem of acid rain. need two ways to test the hypotheses.
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