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A brief discussion of the Chemistry of Sight in dim light

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Differentiate between alkenes and alkynes, cis isomers and trans isomers. Describe how cis-trans isomers are used for night vision.

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This brief solution discusses how cis-trans isomers affect sight in low light conditions. Additionally, this solution includes several references for further research of the topic.

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The difference between alkenes and alkynes is the functional group that is attached to each carbon chain. If you go to the following link there is a review of some of the more common functional groups: http://chemed.chem.purdue.edu/genchem/topicreview/bp/2organic/function.html#function

The alkene functional group is characterized by a carbon carbon double bond and a general chemical structure of CnH2n. Some examples of alkenes are: Butene (C4H8), Ethene ...

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