Decades: 40s BC 30s BC 20s BC 10s BC 0s BC - 0s - 10s 20s 30s 40s 50s
Years: 4 5 6 7 8 - 9 - 10 11 12 13 14
Births
Deaths
For the number 9, see nine.
... the still-excited electrons are transferred to a photosystem I complex, which boosts their energy level to a higher level using a second solar photon. The highly excited ...