Describe four real-life examples of the results of scientific investigations?

From the beginning of the science, there are several scientific investigations that took place to propose a hypothesis and test these by scientific methods if these are true or not.

The some of the real life examples of the result of these scientific investigation are

Technology that helps humanity by several possibilities, helps in the transportation, medicine or health sector by developing drugs, and electricity that helped daily life of a human as vital resources.

answer: a. a gene that causes a specific trait.

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products