P680 is said to be the strongest biological oxidizing agent. The strong oxidizing potential of P680 is essential for its function because it . obtains electrons from the oxygen atom in a water molecule is the receptor for the most excited electron in either photosystem of photosynthesis transfers its electrons to reduce NADP to NADPH is the molecule that transfers electrons to plastoquinone (Pq) of the electron transfer system

Which of the following statements is true regarding a basic amino acid? a.) the hydrophilic r group of a basic amino acid will be located on the interior of a protein b.) the positively charged r group of a basic amino acid could bind dna c.) the r group of a basic amino acid would only be able to form covalent bonds with other molecules d.) a basic amino acid would be considered both polar and hydrophobic e.) all of the above