What is chlorophyll and what is its role in photosynthesis

Role strain involves the competing demands placed on someone in a given status from the many people in other statuses. This diagram illustrates the role strain that a high school principal may experience in trying to please teachers, students, and members of other statuses.

569-579Carotenoids are usually considered to perform two major functions inphotosynthesis.

The light absorption processes associated with take place in large protein complexes known as photosystems. The one known as Photosystem II contains the same kind of as but in a different protein environment with an absorption peak at 680 nm. (It is designated P680). The binding protein for PSII is much smaller than that for PSI, about 47,000 compared to 110,000. It resonates from energy transmitted by about 250 chlorophyll a and b in equal numbers. Its core contains xanthophylls but no beta carotene (Moore).


What role does Chlorophyll play in photosynthesis

Example of a Role Conflict

They serve as accessory light harvesting pigments,extending the range of wavelengths over which light can drivephotosynthesis, and they act to protect the chlorophyllous pigments fromthe harmful photodestructive reaction which occurs in the presence ofoxygen.


what is the role of chlorophyll in photosynthesis ..

A telling example of this effect comes from the story of a criminal justice professor from Florida named George Kirkham. In his classes, Kirkham would be critical of the harshness with which police treated suspects and other citizens. One day, some police officers in one of his classes said Kirkham could not begin to understand what it was like being a police officer, and they challenged him to become one. He took up the challenge by gaining admission to a police academy and going through the regular training program for all recruits. Kirkham (1984) later recounted what happened on his first few days on the job. In one episode, he and his veteran partner went into a bar where an intoxicated patron had been causing trouble. Kirkham politely asked the patron to go with him outside. Evidently surprised by this new police officer’s politeness, the man instead swung at Kirkham and landed a blow. Kirkham could not believe this happened and was forced to subdue his assailant. In another episode, Kirkham and his partner were checking out the driver of a double-parked car. An ugly crowd soon gathered and began making threats. Alarmed, Kirkham opened up his car’s trunk and pulled out a shotgun to keep the crowd away. In recounting this episode, Kirkham wrote that as a professor he quickly would have condemned the police officer he had now become. In a few short days, he had turned from a polite, kind professor into a gruff, angry police officer. His role had changed and, along with it, his personality.

Apart from coloring, has chlorophyll any other role

One thing is clear: you cannot perform both roles at the same time. To resolve role conflict, we ordinarily have to choose between one role and the other, which is often a difficult choice to make. In this example, if you take care of your child, you miss your classes and exam; if you go to your classes, you have to leave your child at home alone, an unacceptable and illegal option. Another way to resolve role conflict is to find some alternative that would meet the needs of your conflicting roles. In our sick child example, you might be able to find someone to watch your child until you can get back from classes. It is certainly desirable to find such alternatives, but, unfortunately, they are not always forthcoming. If role conflict becomes too frequent and severe, a final option is to leave one of your statuses altogether. In our example, if you find it too difficult to juggle your roles as parent and student, you could stop being a parent—hardly likely!—or, more likely, take time off from school until your child is older. Most of us in these circumstances would try our best to avoid having to do this.

The Function of Chlorophyll in Plants | Avas Flowers

Another role-related problem is called . Here you have one status, and a role associated with it, that is causing problems because of all the demands coming to you from people in other statuses with which your own status is involved. Suppose you were a high school principal. In your one role as a principal, you come into contact with people in several different statuses: teachers, students, custodial and support staff, the superintendent, school board members, the community as a whole, and the news media. These statuses may make competing demands on you in your one role as a principal. If your high school has a dress code, for example, the students may want you to abolish it, the teachers and superintendent may want you to keep it, and maybe the school board would agree with the students. As you try to please all these competing factions, you certainly might experience some role strain!