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No, antibodies are not proteins that catalyze chemical reactions without being physically altered. Antibodies are proteins produced by the immune system to help recognize and neutralize foreign substances, such as bacteria and viruses. Enzymes are proteins that catalyze chemical reactions without being physically altered.
Enzymes act as catalysts in living systems.
Enzymes in the digestive system help break down food into smaller molecules that can be absorbed by the body. They speed up chemical reactions that aid in the digestion and absorption of nutrients.
Chemical reactions in a cell primarily take place within the cytoplasm and organelles such as the mitochondria, endoplasmic reticulum, and chloroplasts. The cytoplasm is where most metabolic reactions occur, including glycolysis and protein synthesis. Organelles like the mitochondria are responsible for cellular respiration, while the chloroplasts are involved in photosynthesis. These reactions are essential for the cell to generate energy, produce biomolecules, and maintain homeostasis.
In the digestive system long chains of molecules are broken down into small units by the action of enzymes.Enzymes is a plural noun, so it can be used like this.Enzymes are found in saliva.
They carry out chemical reactions to the cells and breaks down things to be digested. They also allow many chemical reactions to occur within the homeostasis constraints of a living system.
Exothermic reactions are chemical rections since these affects the composition and chemical properties of a matter and result in the formation of new substance. Example burning of coal , electrolysis of water.
These chemicals are called catalysts.
The negative reduction potential indicates the tendency of a substance to gain electrons in a chemical reaction. It is significant because substances with more negative reduction potentials are more likely to be reduced (gain electrons) and act as electron acceptors in reactions. This helps determine the direction and feasibility of reactions in a system.
Mitochondria
Mass is constant.
In a closed system, matter cannot enter or leave the system, but energy can still be exchanged with the surroundings. Chemical reactions in a closed system will reach equilibrium, where the rates of the forward and reverse reactions are equal and the concentrations of reactants and products remain constant. The total amount of matter in the system will not change during a reaction in a closed system.
A chemical property is any of a material's properties that becomes evident during a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity. Simply speaking, chemical properties cannot be determined just by viewing or touching the substance; the substance's internal structure must be affected for its chemical properties to be investigated.A physical property is any measurable property the value of which describes a physical system's state at any given moment in time. For that reason the changes in the physical properties of a system can be used to describe its transformations (or evolutions between its momentary states).
In a chemical system, exothermic reactions release heat energy, while entropy changes refer to the disorder or randomness of molecules. Exothermic reactions typically lead to an increase in entropy, as the released heat energy can increase the movement and randomness of molecules in the system.
Most chemical compounds do not combine with one another automatically, nor do chemical compounds break apart automatically. The great majority of the chemical reactions that occur within living things must be energized. This means that the atoms of a molecule must be separated by energy put into the system. The energy forces apart the atoms in the molecules and allows the reaction to take place.
A redox buffer helps to maintain the balance of electron transfer reactions in a chemical system by accepting or donating electrons as needed. This helps to stabilize the system and prevent excessive buildup of reactive species, ensuring that the reactions proceed smoothly and efficiently.
Two effects that are caused by a chemical change are changes from one substance into another. Another effect that can be caused by a chemical change is a change in the temperature of the surrounding system and substance, or a change in color of the substance.