Concept explainers
Interpretation:
To determine whether each of following would be a substrate or an enzyme
a. lactose
b. lactase
c. lipase
d. trypsin
e. pyruvate
f. transaminase
Concept introduction:
Enzymes are biological catalysts that accelerate
On the other hand, the chemicals onto which an enzyme acts are known as the substrate molecule. In order to convert a substrate molecule into a product, first an enzyme must bind with a substrate to form an enzyme-substrate complex (ES) adduct. Enzymes are usually very specific as to what substrate they bind and then the chemical reaction catalysed. An enzyme can bind with substrate by two different models namely induced fit model and lock-and-key model. Different enzymes are used to catalyse different reaction within the body.
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