The ultimate source of energy for all but a very few biochemical reactions is
A)hydrocarbons.
B)carbohydrates.
C)lipids.
D)the sun.
E)ATP.

Question

Quizplus · Accepted Answer

The ultimate source of energy for almost all life on Earth is the sun. Energy from the sun is captured by plants and other photosynthetic organisms, which convert it into organic molecules such as carbohydrates and lipids. These organic molecules then serve as fuel for other organisms that consume them, releasing the stored energy through biochemical reactions that ultimately rely on the energy from the sun.

The Ultimate Source of Energy for All but a Very