The organic compounds in living things are organized into groups: carbohydrates, lipids, proteins, and nucleic acids. Which two compounds do living things most commonly use as an energy source?
proteins and carbohydrates
lipids and nucleic acids
carbohydrates and lipids
proteins and nucleic acids

Question

The organic compounds in living things are organized into groups: carbohydrates, lipids, proteins, and nucleic acids. Which two compounds do living things most commonly use as an energy source?  
       proteins and carbohydrates
       lipids and nucleic acids
       carbohydrates and lipids
       proteins and nucleic acids

awolflover1 · Answer

What do you think?

kcountrygirl98 · Answer

Found this: " All of the above can be the energy source for living things. This is because they can be metabolized and produce ATP as the "molecular currency" of intracellular energy transfer. In this role ATP transports chemical energy within cells. It is produced as an energy source during the processes of photosynthesis and cellular respiration. This depend on what kind of organism. But the most commonly used as energy source are carbohydrates and lipids."