During reduction, 3-pga reacts with atp and nadph. what does atp contribute to the reaction?
a. carbon
b. hydrogen ions
c. electrons
d. phosphate group

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

What causes darkening of the skin as melanin production increases

How does photosynthesis show the conservation of mass and energy?