EXPLANATION: In order to purchase any item in economic theory, allocation of resources is necessary. This is assignment of limited available resources to various uses when it is necessary. In this case, the buyer needs to allocate his resources which is money to acquire the product. Creation, Analysis and Production of resources are done without even a\having any target of acquiring any product which makes it an indirect link to the purchase of the large stereo system.
The concept was that DNA is what causes bacterial transformation. Before, people thought the genetic material of bacteria was carried through proteins.
