When an enzymatic reaction is in progress, do you expect to see an increase, decrease or no change in each of following: (i) substrate (ii) product (iii) enzyme

During Enzymatic reaction, enzymes binds to a substrate to form a which then forms the product.

Substrate: A reactant in an enzymatic or chemical reaction is called substrate. Product: The final outcome or substance after completion of reaction is called product.Enzyme: Enzyme helps to increase the rate of reaction and act as a catalyst.

Change in shape of substrate, product and enzymes depends on the temperature outside the optimal range which affect bonding between enzyme and substrate. Enzymes definitely changes their size when bind to substrat and the process is called induced fit which increases the rate of reaction.

The correct answer is option 2. "aldolase -phophoglucose isomerase (phosphohexose isomerase or glucose-6-phosphate isomerase)".

Explanation:

Phophoglucose isomerase, also known as Glucose-6-phosphate isomerase (GPI), is an enzyme that catalyzes the reversible conversion of glucose 6-phosphate into fructose 6-phosphate (aldose to ketose). This enzyme is essential in the glycolysis, because this enzyme catalyzes the first step of the metabolism of glucose. If mutants of Saccharomyces cerevisiae can grow on pyruvate or ethanol, but not sugars or glycerol it is likely that this enzyme is affected. This is explained because GPI has a role on metabolism of sugars or glycerol but not on the metabolism of pyruvate or ethanol.