i think from fats and sugars
Chemical energy is stored in carbohydrates (starches) and lipids (fats).
Carbohydrates and lipids are the two macromolecules responsible for storing and releasing energy in organisms. Carbohydrates are stored in the form of glycogen in animals and starch in plants, while lipids are stored as fats in adipose tissues. When needed, these molecules can be broken down through metabolic processes to release energy for cellular functions.
Biological molecules such as carbohydrates (like glucose and glycogen) and lipids (like triglycerides) are commonly used to store energy in living organisms. These molecules can be broken down through metabolic processes to release stored energy when needed.
The primary molecules used for long-term energy storage are lipids, particularly in the form of triglycerides stored in adipose tissue. These molecules provide a dense source of energy, as they contain more than double the energy per gram compared to carbohydrates. In addition to lipids, carbohydrates such as glycogen can also serve as a shorter-term energy reserve, but they are more suited for quick access rather than long-term storage.
Lipids are fats so they are either stored as fat or used as energy.
Lipids do not provide a quick source of energy compared to carbohydrates. Lipids are more efficiently stored in the body for long-term energy use, while carbohydrates are the body's primary source of quick energy due to their rapid breakdown into glucose.
Organisms primarily use two types of molecules for chemical energy: glucose, a simple sugar derived from carbohydrates, and fatty acids, which come from fats. These molecules are broken down through cellular respiration to produce adenosine triphosphate (ATP), the primary energy currency of cells.
Yes, large molecules like lipids, carbohydrates, and proteins are broken down through catabolic reactions in the body. Enzymes help in the process of breaking these complex molecules into smaller, more manageable components that can be absorbed and utilized by the body for energy and other functions. This catabolic process releases energy stored in these molecules for various cellular activities.
Carbohydrates,such as sugars, mix quickly with water and stay in solution for a long time. Other carbohydrates (starches) take a little longer to go into solution and don't remain in solution as long. Both are available for cells to use because they do go into solution easily. Lipids don't go into solution with water easily(think vegetable oil and water) so they are used last by cells in the body for energy. This results in them being stored. When no sugars or starches are available for the body to use as energy sources, the lipid energy which has been stored in the body is used. That's why people who eat few or no carbohydrates lose weight. The energy that has been stored by the body is used.
The chemical energy in fats and carbohydrates is stored in the bonds between their molecules. In fats, the energy is stored in the ester bonds of triglycerides, while in carbohydrates, it is stored in the glycosidic bonds between sugar molecules. When these bonds are broken through metabolism, energy is released for cellular processes.
lipids
Yes, a head of lettuce contains chemical potential energy. This energy is stored in the bonds of the organic molecules within the lettuce, such as carbohydrates and lipids, and can be released through processes like digestion and metabolism.