A lizard is lying out on a black sand beach on a hot summer day. As he relaxes,

Question

A lizard is lying out on a black sand beach on a hot summer day. As he relaxes, the lizard suddenly notices a hawk hovering above and rushes toward some nearby bushes. While in the bushes the lizard quickly changes its skin color to match his environment (he is a ninja). A renowned lizardologist notices this encounter and is intrigued by how quickly the lizard was able to adapt and takes the specimen back to his lab. He discovers that the lizard had a unique genetic mutation that allowed him to almost instantaneously augment the dispersion of melanosomes. a. What receptor(s) would play an important role in this scenario? b. The scientist noticed that the mutation allowed for extremely quick signal transduction and this was associated with the rapid formation of cAMP. What protein would likely be changed by the mutation in order to induce this change in signaling? c. If equal amounts of light were being detected (direct/reflected) by the lizard’s eye how would this influence the color change and why? A lizard is lying out on a black sand beach on a hot summer day. As he relaxes, the lizard suddenly notices a hawk hovering above and rushes toward some nearby bushes. While in the bushes the lizard quickly changes its skin color to match his environment (he is a ninja). A renowned lizardologist notices this encounter and is intrigued by how quickly the lizard was able to adapt and takes the specimen back to his lab. He discovers that the lizard had a unique genetic mutation that allowed him to almost instantaneously augment the dispersion of melanosomes. a. What receptor(s) would play an important role in this scenario? b. The scientist noticed that the mutation allowed for extremely quick signal transduction and this was associated with the rapid formation of cAMP. What protein would likely be changed by the mutation in order to induce this change in signaling? c. If equal amounts of light were being detected (direct/reflected) by the lizard’s eye how would this influence the color change and why? A lizard is lying out on a black sand beach on a hot summer day. As he relaxes, the lizard suddenly notices a hawk hovering above and rushes toward some nearby bushes. While in the bushes the lizard quickly changes its skin color to match his environment (he is a ninja). A renowned lizardologist notices this encounter and is intrigued by how quickly the lizard was able to adapt and takes the specimen back to his lab. He discovers that the lizard had a unique genetic mutation that allowed him to almost instantaneously augment the dispersion of melanosomes. a. What receptor(s) would play an important role in this scenario? b. The scientist noticed that the mutation allowed for extremely quick signal transduction and this was associated with the rapid formation of cAMP. What protein would likely be changed by the mutation in order to induce this change in signaling? c. If equal amounts of light were being detected (direct/reflected) by the lizard’s eye how would this influence the color change and why?

Explanation / Answer

A). Photoreceptor

B). Adenyl cyclase

C). The lizard will change it's colour to white.

Comment if you have any problem in understanding this answer.

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