The correct answer is a. Complex
A complex or undefined medium is rich in nutrients, which contain water-soluble extracts of plant or animal tissue, a sugar, (often glucose is added to serve as the main carbon and energy source). The combination of extracts and sugar creates a medium which is rich in minerals and organic nutrients, but the exact composition is unknown.
Number 1:4
number 2: 3
number 3: 1
Answer:
1. B Prokaryotes lack a nucleus and membrane-bound organelles
2. C glucose