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9.6: In-Text References

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    357601
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    1. Of course this designation is entirely arbitrary, as backward and forward depend on how the initial reaction is written.
    2. We recognize such evolutionarily conserved processes because they used essentially (but not quite) the same reaction components and strategies. For example, aerobic respiration (whether in bacteria, potatoes, or humans) uses a structurally similar membrane system to transfer electrons from molecule to molecule (redox reaction). This generates an \(\mathrm{H}^{+}\) gradient then used by a rotatory protein “generator” to synthesize \(\mathrm{ATP}\).
    3. Amino acid chains are referred to as polypeptides; a protein is a functional unit, which can be composed of multiple polypeptides and non-polypeptide components such as heme groups.
    4. http://benbleasdaleblogs.wordpress.c...ide-your-nose/
    5. This binding site can also be occupied by other types of molecules, in particular carbon monoxide (\(\mathrm{CO}\)). Because the binding of \(\mathrm{O}_{2}\) to hemoglobin is much weaker and less stable than the \(\mathrm{CO}^{-}\) hemoglobin interaction, exposure to \(\mathrm{CO}\) blocks \(\mathrm{O}_{2}\) transport through the body, leading to suffocation.
    6. An explanation of how to do this is provided in the supplementary materials.
    7. It is always important to keep in mind that even though we write reaction equations with “sides” – product and reactant – in fact all these species are present in the same reaction vessel.
    8. By adding a small amount of solute (rather than a volume of solution) we will not significantly affect the volume of the solution - which will make determining the concentration easier.
    9. You might wonder why the amide nitrogen is not basic - even though it appears to have a lone pair of electrons. However these electrons are not available for donation because they are conjugated (interacting) with the \(\mathrm{C=O}\) group. You will have to wait until organic chemistry to hear more on this fascinating topic
    10. calculated from \(\Delta \mathrm{G}^{\circ} = –\mathrm{RT} \ln \mathrm{K}\) at physiologycal temperature \(37 { }^{\circ}\mathrm{C}\) 
    11. This occurs primarily because \(\mathrm{O}_{2}\) is in short supply and the aerobic respiration reaction cannot proceed to completion.
    12. Guyenet et al, 2010. Central \(\mathrm{CO}_{2}\) chemoreception and the integrated neural mechanisms of cardiovascular and respiratory control. J. Appl. Physiol. [online] 2010. 108, 995. http://www.ncbi.nlm.nih.gov/pubmed/20075262.
    13. Although it does not explain why we would want to exercise in the first place.
    14. Adapted from Physical Chemistry for the Chemical and Biological Sciences by Raymond Chang [complete citation]

    This page titled 9.6: In-Text References is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Melanie M. Cooper & Michael W. Klymkowsky via source content that was edited to the style and standards of the LibreTexts platform.