The shape of proteins A. determines what they can do and how they function. B. can be formed by more than one folded chain of amino acids. C. is determined by the side groups on its amino acids. D. can be altered by a change in gene sequence. E. All of the above.

the transfer of energy between two molecules spaced just nanometers apart plays a key role in many technologies, including photovoltaics, quantum information systems, lighting, and sensors, as well as in biophysics to measure nanometer distances and in photosynthesis. but an open question in this area is what effect, if any, the surrounding photonic environment has on this nanoscale energy transfer. by designing and performing a carefully controlled experiment to answer this question, scientists have settled the debate and found clues to improving the efficiency of many of the technologies that rely on this process.

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the answer is a) cell division.

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