5. (20 pts) In Electron Transport Chain, starting from FADH, the flow of electro

Question

5. (20 pts) In Electron Transport Chain, starting from FADH, the flow of electrons is from FADH2 to complex-Y followed by then to and to , and finally to complex IV. The final acceptor is electron 'transit' process is is used for/supplied from (circle one) to form This (endergonic or exergonic). This energy At the end of ETC, oxidative-phosphorylation occurs, and in this pathway, the energy required to synthesize ATP comes from 6. (22 pts) For the structure below: CH 4 OH OH OH CH OH 10 OH OH 12 CH CH A. Which sugar monomers are cleaved as glucose-1-phosphate? List all the numbers of the monomers. Which sugar monomers will be cleaved as glucose? List all their numbers. Which sugar molecules will be transferred from the upper to the lower chai B. C. List their number/s D. Circle just one alpha (1+6) bond and label this circle 'D'.

Explanation / Answer

5) In the ETC the electrons flow from the FADH2 to Complex II followed by ubiquinone (Q) then to Complex III and to Cytochrome C and finally to Complex IV.

The final acceptor is O2to form H2O. This electron transist process is Exergonic. This energy is supplied from ATP Synthase (by the process of chemiosmosis)

In the end of ETC ,oxidative phosphorylation occursand in this pathway , the energy required to synthsize ATP comes from accumulation of protons outside the membrane and generatea proton potential which activates the ATP synthase complex.

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