cyanobacteria have been engineered to produce isobutanol directly. what advantage does this have over other…

cyanobacteria have been engineered to produce isobutanol directly. what advantage does this have over other alternative biofuels?\na. it is an inherently renewable fuel source.\nb. multiple processing steps can be avoided.\nc. they produce chemical energy through photosynthesis.\nd. they make a biofuel alternative to gasoline.\n\nplease select the best answer from the choices provided\na\nb\nc\nd

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