AP BIOLOGY

Detailed explanation-1: -The organic compounds which are the main source of energy in any living being are lipids and carbohydrates. Carbohydrates are nutrients that are used frequently and get converted into energy. Carbohydrates are used as short-term energy storage while lipids are used as long-term energy storage.

Detailed explanation-2: -A carbohydrate is an organic compound such as sugar or starch, and is used to store energy. Like most organic compounds, carbohydrates are built of small, repeating units that form bonds with each other to make a larger molecule. In the case of carbohydrates, the small repeating units are calle d monosaccharides.

Detailed explanation-3: -ATP-Adenosine triphosphate, a nucleotide which is the most important short-term energy storage compound in cells. It is the “energy currency” of the cell, necessary for practically all metabolic activities. Carbohydrate-A type of organic molecule made of carbon, hydrogen, and oxygen.

Detailed explanation-4: -Answer and Explanation: ATP is an organic compound that is the main source of energy for all living systems. Certain researchers prefer to call glucose the main source of energy, but glucose is catabolized into energy. Basically, there are four sources of energy: carbohydrates, lipids, proteins and nucleic acids.

Detailed explanation-5: -The four major classes of organic molecules include carbohydrates, proteins, lipids and nucleic acids.