During the light reactions of photosynthesis, why is a molecule of water split? to provide energy for the electron transport chain
a.) to provide energy for the electron transport chain
b.) to produce electrons that replace the two electrons that were lost from the chlorophyll molecule
c.) to assist in the process that produces ATP
d.) to form NADPH

B

Explanation:

Electrons from photosystem II go through the ECT in the chloroplast, so water is split to replace those electrons.

in 1972 the fluid—mosaic membrane model of membrane structure was proposed based on thermodynamic principals of organization of membrane lipids and proteins and available evidence of asymmetry and lateral mobility within the membrane matrix [s. j. singer and g. l. nicolson, science 175 (1972) 720–731].

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint