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Why is the barrier of the energy of activation beneficial for organic molecules?
The activation energy barrier ensures that only reactant molecules with sufficient energy can overcome it and proceed with a chemical reaction. This helps regulate the rate of reactions, preventing the wasteful consumption of energy and resources. Additionally, the barrier provides a level of control over when and where reactions occur within an organism.
What is an autoionization?
An autoion is an ion which has been formed via the process of autoionization - where atoms or molecules spontaneously transition from an electrically neutral state to a lower-energy ionized state.
Energy is primarily when organic molecules are synthesized and when they are broken down?
Energy is required when organic molecules are synthesized because this process involves building complex molecules which requires input of energy. When organic molecules are broken down, energy is released because the breaking of bonds releases stored energy from the molecules. This energy can be used by the cell for various cellular processes.
What is the process of building molecules that can be used as an energy source or breaking down molecules in which energy is stored called?
Building molecules that can be used as an energy source is called anabolism, while breaking down molecules to release stored energy is called catabolism. These processes are key components of metabolism, the set of chemical reactions that sustain life by converting food into energy and building blocks for cells.
Activation energy is necessary for a chemical reaction to occur because?
Activation energy is needed to overcome the energy barrier between the reactants and the transition state in a chemical reaction. It provides the initial push required to initiate the reaction by destabilizing the existing bonds in the reactant molecules. Once this energy barrier is surmounted, the reaction can proceed spontaneously to form the products.
Why is the barrier of the energy of activation beneficial for organic molecules?
The activation energy barrier ensures that only reactant molecules with sufficient energy can overcome it and proceed with a chemical reaction. This helps regulate the rate of reactions, preventing the wasteful consumption of energy and resources. Additionally, the barrier provides a level of control over when and where reactions occur within an organism.
The molecules that make up food contain energy. how does the human body get energy from the food molecules?
by breaking chemical bonds in the molecules
The molecules that make up food contain energy how does the human body get energy from food molecules?
By breaking chemical bonds in the molecules
What is an autoionization?
An autoion is an ion which has been formed via the process of autoionization - where atoms or molecules spontaneously transition from an electrically neutral state to a lower-energy ionized state.
Making and breaking molecules in the body require the aid of?
energy
Do catabolic reactions release energy during the process of breaking down molecules?
Yes, catabolic reactions release energy as they break down molecules.
Why does exothermic reactions need activation energy?
Even though exothermic reactions release energy overall, they still require an initial input of energy to overcome the activation energy barrier. This energy is needed to initiate the reaction by breaking the existing bonds in the reactant molecules. Once this barrier is crossed, the reaction proceeds spontaneously and releases energy in the form of heat.
How does the breaking of molecules create energy?
When molecules are broken down through processes like cellular respiration, the stored chemical energy within the bonds is released. This energy is in the form of ATP (adenosine triphosphate), which serves as the primary energy currency in cells to power various cellular activities. The breaking of molecules allows for the transfer of this energy to fuel essential processes in living organisms.
Which organelle breaks down sugar molecules that supply energy to the cell?
mitochondria
What is the process that releases energy by breaking down food molecules in the precence of oxygen?
fermentation
Is the process that releases energy by breaking down food molecules in the presence of oxygen?
Respiration
What is the movement of molecules from areas high concentration to areas of low concentration?
Diffusion.
