Oxyhemoglobin I believe is the answer. Hope this helps!
Hello!
The answer to your question is A.
Discovery of codons.
~Hope this Helps!~
I would say the cytoskeleton is most like Scaffolding.
A bird's wings are homologous to <span>c. a dog's front legs.</span>
Answer:
B.obtained from plants
Explanation: Tobacco farmers plant tobacco plants and harvest them and that is how we obtained tobacco.