The absolute number of molecules of drug required to elicit a response
Answer:
The basic unit of life is a cell
The process of making multiple copies of a gene by inserting it into a host genome and culturing the host is an example of gene cloning.
15)C
16)D because the function of mitochondria is providing energy
17)B cell wall
18)C cell membrane
19)C plantae
20)B cytoplasm
