Autotrophs use the to make organic molecules. o₂ is produced in the . the light reactions involve a series of conversions. an electron carrier called drives the calvin cycle. h₂o provides for the light reactions.

1) Calvin cycle
2) Light reactions
3) Energy
4) NAPDH
5) Electrons

Calvin cycle is process where carbon atom is reduced from carbon dioxide to a reduced state of hexose by utilizing ATP and NADPH. It is a dark reaction that uses sunlight as an energy source to synthesize glucose from carbon dioxide gas and water for photosynthetic organism

A) 4 amusingb)alpha particle is a helium nucleus. it contains 2 protons and 2 neutrons.c)alpha particle has charge of +2.