Enzymes are complex biological molecules which catalyze or greatly speeds up the rate at which a chemical reaction will occur. They are primarily proteins, but some enzymes, called ribozymes, are made of RNA. The key concept behind the speeding up of a chemical reaction by an enzyme is that it reduces the activation energy required for a reaction. In doing so, it speeds up the reaction. Continue reading How Enzymes speed up the chemical reactions?
Antitranspirants are substances applied to the plants for the purpose of reducing transpiration (water loss) without causing a significant effect on other plant processes, such as photosynthesis & growth. They have been used with some success in horticulture, especially in the ornamental industry. Continue reading What are Antitranspirants? How do they Reduce Water Loss in Plants?
From the beginning of time, people have tried to understand aging and processes associated with the biology of aging. Many scientists believe that aging results from the repetitive damage caused to our body cells. The everyday metabolic activities that usually sustain our life but also create “metabolic stress”, which over time, results in damage to our bodies. Some of these metabolic activities result in the production of radicals and which may cause harmful damage to our body cells. Continue reading Free Radicals: What is their role in making us old?