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Review Questions
Q: What happens to sunlight when it is passed through a glass prim? Q: Describe the absorbance spectra of the three human cone pigments. Q: How does pi-electron delocalization affect the absorbance spectrum of the visual pigment chromophore 11-cis retinal? Q: Among the three human cone pigments, which two are most similar in amino acid sequence? Q: What characteristics of the human M and L pigment genes leads to the high frequency of variation in their structure? Q: Why are variations in human color vision more common among men than women? Q: Among individuals who are missing either the M or L pigment, which wavelengths of light are difficult to discriminate? Q: What is the single most common genetically-determined variation in human color vision? |
