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1.) What is a biological catalyst? A Biological catalyst is a catalyst that is produced organically. In other words, a cell makes it. It is usually a protein or steroid molecule that works to catalyse a specific reaction. For example, amylase is a biological catalyst. Biological catalysts are called enzymes. Reactions take energy to get them started. This energy is called the activation energy. Enzymes catalyse reactions inside organisms. A catalyst is a molecule that acts as a matchmaker, bringing together the chemicals of the reaction, and getting them together. Just like a matchmaker of olden days, it is not actually involved in the reaction - the husband and wife get married, and the matchmaker is free to go and match up some other couples. (A catalyst can also function as a divorce agent, splitting molecules apart, not only a marriage agent.) Just like a couple found it easier to...

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