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Photosystem I ( PSI, or plastocyanin–ferredoxin oxidoreductase) is one of two photosystems in the photosynthetic light reactions of algae, plants, and cyanobacteria. Photosystem I [ 1] is an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin.
The structure of P700 consists of a heterodimer with two distinct chlorophyll molecules, most notably chlorophyll a and chlorophyll a ’, giving it an additional name of “special pair”. [6] Inevitably, however, the special pair of P700 behaves as if it were just one unit. This species is vital due to its ability to absorb light energy with ...
American archers Brady Ellison and Casey Kaufhold have been winning medals together for five years in the roles of mentor and student. Kaufhold was just 15 when she teamed up with the veteran ...
They have revealed a pioneering nasal spray treatment that has demonstrated effectiveness in eliminating harmful tau protein accumulation and enhancing cognitive abilities in aged mouse models ...
It is, however, important to consider the potential health risks when you do choose to drink it. “While moderate consumption of one glass of wine, 2-3 times per week, is unlikely to cause harm ...
The Pixel Buds is a line of wireless earbuds developed and marketed by Google. The first-generation Pixel Buds were launched on October 4, 2017, at the Made by Google launch event, and became available for preorder on the Google Store the same day. [1] [2] They have the Google Assistant built-in and support Google Translate .
For Clyde the rescue Maine Coon cat, life hasn’t been the easiest ride so far. Before he was rescued in 2023, he had some kind of traumatic brain injury which rendered him deaf and left him with ...
1. Zoom: Zoom Video Communications United States: 2012 300 million daily participants [40] 2. Meet: Google United States: 2017 100 million daily participants [41] 3. iMessage: Apple Inc. United States: 2011 1.4 billion active Apple devices [42] 4. FaceTime: Apple Inc. United States: 2011 1.4 billion active Apple devices [42]