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What Wavelengths Of Light Does Chlorophyll Absorb Explain Your Reasoning?


Chlorophyll b absorbs most effectively at blue 470 but also peaks at 430 and 640.
Chlorophyl a absorbs reasonably well at blue 450nm but absorbs most with a broader peak at red 680 – 700nm.
Pigments have an alternating arrangement of single and double bonds in the molecule’s carbons; these are conjugated bonds that share electrons. Pigments conjugated bonds share electrons in pi orbitals across the whole structure.
Conjugated Bond length and arrangement determines wavelength to be absorbed.
Chlorophyll’s conjugated bonds are found in the porphyrin ring, made up of a cyclic tertapyrrole that chelates Magnesium and in the side chain, which forms a long hydrocarbon tail to the heme ring. Electrons move readily along a conjugated bond series like they do in copper wire.http://www.webexhibits.org/causesofcolor…
When a photon of just the right amount of energy strikes an electron resonating in the pigment, the electron can absorb the photon and get promoted to a higher quantum level. The photon must have just the exact amount of energy to boost the electron from its current level to its new level or it cannot be absorbed. Each chlorophyll pigment A or B molecule differs in the bonds so absorbs a different wavelength. The only difference between Chlorophyll A and chl B is one methyl group is changed to a formyl group but this changes the wavelength that can be absorbed by the molecule.http://www.centenary.edu/attachments/bio…http://www.bio.umass.edu/biology/conn.ri…
If the question is about why the chlorophylls have a ‘green gap’ in the absorption spectra then the answer is the ‘Purple World’ hypothesis.
Early Earth’s life reflected purple and used the abundant midspectra wavelengths absorbed by rhodopsin leaving the flanking spectral wavelengths as open but marginal niches bacteria using chlorophyll adapted to fill.http://www.livescience.com/environment/0…http://www.msnbc.msn.com/id/18042280/

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How Does My Writing Assignment About My College Sound?????????????????????????…


I had a lot to say about my college, and I ended up writing way more than I intended. I don’t want to sound rude or offend the school, but I tried to be as rational and logical as possible. I would also like to know if it is well-written as well.
How are whiteness, wealth and heterosexuality normalized at Boston College by students, faculty, and administrators. How could such normalization be challenged? How does Joiner’s work help you to make change more effectively?
Boston College’s student population primarily consists of wealthy, Caucasian, heterosexual males and females. Anything outside of this description is considered out of the majority. One way in which whiteness is normalized by the administration of BC is the “AHANA” group, which consists of students of African- American, Hispanic, Asian, and Native American descent. Although this is meant to be helpful to people of cultures other than Caucasian and to help minorities find common ground, it is essentially labeling minorities and placing them into a separate category from the rest of the student body. Caucasians are not given a special acronym or advantages upon entering the school, and I believe this AHANA label is counterproductive to its purpose. Cultural groups should be something optional, something that a student joins because they are interested and would like to explore their culture. In fact, many students that are labeled “AHANA” do not identify with their cultures at all and have grown up in wealthy suburban neighborhoods with mostly Caucasian peers. They then come to BC and are de-normalized by essentially being grouped and labeled by administration. Although this is not the intention, if BC genuinely sees minorities as normal and equal, this label does not need to be automatically placed upon minority students entering the school.
Wealth is normalized at BC by its administration and students. The school has an extremely high tuition cost, lack of generous financial aid, legacy acceptances, and a religious/private affiliation. BC is a popular place to apply among Catholic high schools, which are most often optional and cost thousands of dollars per year. Therefore, the majority of students who apply to BC come from well off families who could afford a private, Catholic education. BC administration could work on cutting down on costs that are not absolutely necessary and offering more financial aid to deserving students, as well as rejecting students who are not. With such a large portion of wealthy students who are able to pay full tuition, it is no wonder that many students wear designer clothing items and accessories to class that make it visible that they have been able to pay the extra money. When a large portion of students are this way, it may make people who come from different socioeconomic levels feel inferior, when in fact it is because they are at an abnormally expensive university. Students could challenge this by not wearing clothing items which have large logos on them or designer patterns, but it is majorly up to the university administration to be more generous with financial aid and perhaps advertise it so that students who come from lower socioeconomic levels are not automatically discouraged from applying. In addition, simply wavering the large application fee of $70 would encourage less wealthy students to apply, as BC is a competitive school, and underprivileged students may feel like they do not have a great chance and that such a large fee is not worth the money.
BC administration normalizes heterosexuality due to its label as a religious school. Homosexuality goes against Catholicism, so it is likely that homosexual students will steer away from applying or attending a religious affiliated school due to feeling uncomfortable. If they would like to attract a more diverse body of students, they should drop their label as religious but still have the religious aspect available to students so that no student feels they should be a certain way. Although people of all religions are welcome and religion is not pushed upon students, the label as Jesuit narrows down on the type of students who apply: heterosexual, Caucasian, Catholics. Although the Jesuit ideals of education of the whole person are intended to be beneficial for everyone, it still tends to attract religious, conservative students who can pay the high price of a private college. There are still masses held for students, crosses in most classrooms, and a theology core required. One could challenge this by proposing the idea that if BC’s main goal is to produce successful students, they should solely label themselves an academic school with religious aspects available to all types of religions, as well as diversifying its groups and activities to homosexual students. Although dropping the religious affiliation is an extreme change and the student body has diversified over time, it is the basis of the student homogeneity issue.

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Does Majoring In Medical Assisting Require A More In Depth Medical Exam?


I’m thinking about getting an associates degree in medical assisting. I know that the college requires every student to submit medical and immunization records and get tested for tb and a physical but the website makes it seem like it might require a more in depth exam. It says:
AAMA and CAAHEP accreditation guidelines require that a procedure be established for determining that the applicants’ or students’ health will permit them to meet the technical standards of the program. In compliance with this provision, a medical health examination is required of all applicants after acceptance to the program. Medical office affiliates require that this health information be current and on file before students are placed for their medical office externship experiences.
Has anyone gotten this exam for this major? What are they looking for health wise? Does this just involve drug testing or something?

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How Long Does It Take For Yahoo To Unblock Me From Sending Emails?


I tried to use their affiliate to send larger photo files and ever since then I have been blocked.

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Does Anybody Have The Name Of The Mra Who Set Himself On Fire?


I think he lost his children in the family court and was affiliated high in the MRM ranks. He was a leader and gold standard model for much of the convert MRA. He put his own body in the line to try and build only awareness and hopefully change. Sadly, he was classified a terrorist and sent to Guantanamo bay because he had a history of bomb making and extremist rebellious anti-American views.

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How Much Does An Acca Affiliate Earn Per Month In Uk? With 5 Years Of Experience?


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