Question

What is the major source of energy?, in what form is this chemical energy first stored? And what how is this utilized to make other form of macromoleclues in living things?

Answer 1

Answer: Living cells have evolved to meet this challenge. Chemical energy stored within organic molecules such as sugars and fats is transferred and transformed through a series of cellular chemical reactions into energy within molecules of ATP. Energy in ATP molecules is easily accessible to do work

Explanation: