Biology Extended Essay - 2866 Words

Table of Contents AbstractÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…...2 IntroductionÂ…....................................................................................................................3 Theoretical AspectsÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…4 Affects of light intensities on plant photosynthesis measured by the amount of oxygen producedÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…..5 Experimental AspectsÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…6 Factors that Affect the rate of photosynthesisÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…...........7 Investigating the Affect of Light on plant photosynthesisÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…......8 HypothesisÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…8.1 VariablesÂ…Â…Â…..Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…8.2 Apparatus..Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…..8.3 MethodologyÂ…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…Â…8.4†¦show more content†¦During the Light Dependent reaction, the suns energy is caught by the chlorophyll molecule, this happens as oxidation. Energy in the form of a photon is required to increase the energy levels of electrons which move out of the chlorophyll during oxidation. The energy must then be linked to the ADP reduction to ATP and coenzyme NADP+ which is condensed to NADPH + H+. This reaction requires light for it to take place, where it occurs on the thylakoid membranes. Energy from the light is converted into chemical energy. The molecules of chlorophyll are then attached to the thylakoid membranes, which can be attached with accessory pigments and different types of proteins to produce a photo system; in the middle of all photo systems there are different types of chlorophyll each one has a specialized task to absorb a certain wavelength of light. The Electrons inside of the chlorophyll absorb the energy produced by the photons and intensifies them so that they are excited. These excited electrons are easily detached from the chlorophyll in the form of oxidation. The light dependent reaction is used by the light independent reaction by utilizing the chemical energy from the light to fix the carbon from the atmosphere natural molecules such as glucose. This process does not need light, which enables it to occur in both the dark and the light periods within stroma. The energy trapped from sunlight in theShow MoreRelatedPsychology And Science Of A Heterosexual And Homosexual Man Through The Course Of Nature Vs. Nurture1168 Words   |  5 Pagesexploration that will summarize and investigate the researched biology and science background comparing the neurological anatomy and science of a heterosexual and homosexual man through the studies; Simon LeVay, Roselli, Hamers, Sanders, Hansen. The perception of whether homosexuality conforms to the course of nature vs. nurture can influence the amount of scrutiny judged upon affected individuals. 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