Chemical energy for respiration is stored in the bonds of _?
Chemical energy for respiration is stored in the bonds of glucose molecules.
The chemical energy for respiration is stored in the bonds of organic molecules, such as carbohydrates (e.g. glucose), fats, and proteins. During respiration, these organic molecules are broken down into smaller molecules and energy is released from their chemical bonds. This energy is then used by cells to carry out essential functions, such as muscle contraction and cellular communication.
Chemical energy for respiration is stored in the bonds of (1 point) Responses carbon dioxide molecules. carbon dioxide molecules. oxygen molecules. oxygen molecules. glucose molecules. glucose molecules. water molecules.
Why do organisms need to obtain energy via cellular respiration?
1. to photosynthesize
2. to break down ATP
3. to grow and reproduce
4. to perform glycolysis
bot? will you answer?
Chemical energy for respiration is primarily stored in the bonds of organic molecules, especially carbohydrates (such as glucose) and lipids (such as fats). These bonds contain high-energy electrons that are utilized during the process of cellular respiration to produce ATP (adenosine triphosphate), which is the primary source of energy for cells. To understand how chemical energy is stored in the bonds of these molecules, we need to explore the concept of chemical bonds and their energy content.
Chemical bonds are formed when atoms share or transfer electrons to achieve a stable electron configuration. Different types of chemical bonds exist, including covalent bonds and ionic bonds. Covalent bonds involve the sharing of electrons between atoms, whereas ionic bonds involve the transfer of electrons from one atom to another.
In organic molecules, such as carbohydrates and lipids, covalent bonds hold the atoms together. These bonds store potential energy because the shared electrons have a higher energy state when they are farther away from positively charged atomic nuclei. This stored energy is released when the bonds are broken, allowing the electrons to move closer to the atomic nuclei, resulting in the formation of more stable products.
During cellular respiration, the organic molecules, such as glucose, are broken down in a series of chemical reactions to release the stored energy. The first step, glycolysis, occurs in the cytoplasm and breaks down glucose into two molecules of pyruvate, along with some ATP and electron carriers (NADH). The subsequent steps, including the Krebs cycle and oxidative phosphorylation, take place in the mitochondria of cells. These steps further break down the pyruvate molecules, leading to the complete oxidation of glucose and the production of large amounts of ATP.
In summary, the chemical energy for respiration is stored in the bonds of organic molecules like glucose and lipids. Breaking these bonds releases high-energy electrons that are used to generate ATP during cellular respiration. The understanding of chemical bonds and their energy content is crucial to comprehending the storage and release of chemical energy in biological systems.