A culture medium consisting of agar, peptone, and beef heart is a A culture medium consisting of agar, peptone, and beef heart is a reducing medium. selective medium. chemically defined medium. differential medium. complex medium.

A culture medium consisting of agar, peptone, and beef heart is a "complex medium".

Option: E

Explanation:

A culture medium is a specific in nature which is popularly applied in microbiological laboratories to cultivate various types of micro-organisms. A formation or a culture medium consists of various nutrients which are necessary for microbial growth and characteristics. The solid culture media consists of a brown jelly-like substance called as agar.

The full spectrum of growth factors that a species may require is included in complicated media generally to use more efficiently to grow unknown bacteria or bacteria that have specific nutritional requirements means species that require a lot of growth factors either known or unknown in nature.

the economic difference between the three colonial regions. shipbuilding, whaling, fishing, and trapping where also main factors to the economy. the southern regional colonies economy was based on sugarcane, rice, cotton, tobacco, and indigo.

the density would be a smaller number.