Question

what name has been given to bio- catalysts and what is their function in the body ?

Answer 1

Biological catalysts




Enzymes are soluble protein molecules that can speed up chemical reactions in cells. These reactions include respiration, photosynthesis and making new proteins. For this reason enzymes are sometimes called biological catalysts. Enzymes speed up (catalyse) chemical reactions occurring inside and outside of living cells. This includes:

DNA replication
Protein synthesis
Digestion

Each enzyme will only speed up one reaction as the shape of the enzyme molecule needs to match the shape of the molecule it reacts with (the substrate molecule). The part of the enzyme molecule that matches the substrate is called the active site.


Enzymes and temperature

At low temperatures, enzyme reactions are slow. They speed up as the temperature rises until an optimum temperature is reached. After this point the reaction will slow down and eventually stop.

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Answer 2

enzymes in human body is also called bio catalyst..
they functions as catalysing the rate of reaction in human body increasing the number of products in less time
ex. carbonic anhydrase is an enzyme which catalyses the following reaction...
CO2 + H2O———>H2CO3

in absence of carbonic anhydrase, production of product molecules is 2000 molecules per sec..
bt in presence of it ,the production increases to more than 20000 molecules per sec