Indicate True (T) and False (F) Statements Below Regarding the Evolution

Short Answer

Indicate true (T) and false (F) statements below regarding the evolution of photosynthesis and oxidative phosphorylation. Your answer would be a five-letter string composed of letters T and F only, e.g. TTFTF.
( ) Chloroplasts are thought to descend from ancient purple sulfur bacteria.
( ) Mitochondria are thought to descend from ancient ?-proteobacteria.
( ) The first photosynthetic cyanobacteria evolved before the first aerobic proteobacteria.
( ) All photosynthetic and aerobic bacteria are thought to have evolved from a common ancestor capable of fermentation and membrane electron transport.