4 students is 20% of 20 students 20times5=100 and 4times5=20
The correct answer would be B.
Answer:
One of the earliest uses of genetic engineering was to mass-produce human insulin in bacteria. This application has now been applied to human growth hormones, follicle-stimulating hormones (for treating infertility), human albumin, monoclonal antibodies, antihemophilic factors, vaccines and many other drugs.
an alphabetical list of the specialized words and terms used in the book and their definitions