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These dyes permitted the finding of electron transport chains during photosynthesis. Dichlorophenolindophenol (DCPIP), an example of these dyes, is widely used by experimenters. DCPIP is a dark blue solution that becomes lighter as it is reduced. It provides experimenters with a simple visual test and easily observable light reaction. [8]
The following is a breakdown of the energetics of the photosynthesis process from Photosynthesis by Hall and Rao: [6]. Starting with the solar spectrum falling on a leaf, 47% lost due to photons outside the 400–700 nm active range (chlorophyll uses photons between 400 and 700 nm, extracting the energy of one 700 nm photon from each one)
The high-energy electron that resides on the tightly bound quinone molecule Q A is transferred to an exchangeable quinone molecule Q B. This molecule is loosely associated with the protein and is fairly easy to detach. Two electrons are required to fully reduce Q B to QH 2, taking up two protons from the cytoplasm in the process.
The main portion of the application process is a rigorous, three-hour examination proctored in the Columbia University campus that contains questions in both mathematics and science. The exam is tripartite, consisting of a 50 question "easy" mathematics section, a 75 question survey science section, and a 15 question "challenge" mathematics ...
This test question appeared on a Luther Burbank High School biology final in June 2024. Student names were obscured by the sources who provided the images to the Sacramento Bee.
Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".
McNamara opened the 2023 season as Iowa’s starting quarterback but suffered a season-ending ACL tear five games into the season. He recovered in time to be Iowa’s Week 1 starter again but ...
Though legions of fans might revisit 1990’s Home Alone (and 1992’s Home Alone 2: Lost in New York) every year, the fictional McCallister kids haven’t gotten back together in thirty years ...