Which of the following statements correctly describes a reaction associated with photosystem I A) Light energy excites electrons in the thylakoid membrane electron transport chain. B) Electrons released from the chlorophyll are replaced by electrons derived from water. C) The P680 chlorophyll donates a pair of electrons directly to NADP^ + producing NADPH.
D) Electrons are passed from the P680 chlorophyll to oxygen (O 2 )

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

Which law represents a balanced chemical equation?