Number 39) is Keratin. and 40) is either c or d im not quite sure sorry
It can lead to global warming and this can destroy how living things originally work
The answer is D,
<span>A. do not want the genes to become worn out.
B. cannot control the translation of proteins.
C. do not carry the complete genetic code in their nuclei.
D. do not need the proteins that are specified by certain genes.
Have a wonderful day! :D</span>
