6. a - transgenic organism is one whose genetic material has been altered by genetic engineering (i.e. man!)
9. a - biomedical research
10. b
13. b
16. d
18. b
A. mRNA is made by RNA polymerase, using DNA as a template.
Answer:
Sediment builds up over organisms.
Explanation:
It is about 78%, I hope that this helped :)