Answer:
Here are the options to complete the question
A. plants
B. animals
C. inorganic compounds
D. genetic engineering
The CORRECT ANSWER IS D.
D. genetic engineering
Explanation:
Drugs can be produced or obtained by extracting the essential component needed from a plant source, animal source and inorganic compounds.
Genetic engineering is a synthetic source of drug production, needed to solve or make ready drugs with the aid of advanced technology/process.
Viruses are even smaller than bacteria and require living hosts — such as people, plants or animals — to multiply. Otherwise, they can't survive. When a virus enters your body, it invades some of your cells and takes over the cell machinery, redirecting it to produce the virus.
Hope this helps (:
Carbohydrates are produced during the dark reaction of photosynthesis.