Which event occurs in photsystem 1? Water molecules are broken alart.
Light energy excites electrons.
Oxygen is released as waste.
Electrons are transferred to ferredoxin

What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1points a they store nutrients. b they can travel farther. c they experience more genetic variation. d they only occur in high-resource environments.

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.

In which of the following relationships is one organism always benefited while the other organism is always harmed