A. T-A-C-G-A-T
A and T pair together, and G and C pair together. There are no U’s because U’s are in RNA, not DNA.
Answer:
<h2>Exaptation</h2>
Explanation:
Exaptation is the process by <u><em>which the features acquire those functions for which they were not originally selected</em></u> or adapted. Feather is an example of exaptation, it has appeared in various fossils of the flightless ancestors of modern birds, it later became important for flying, Once they molded for flying it adapted for that function, It is found in both behavior and anatomy.
When a molecule is made up of one sugar unit, its called a monomer.
Eg. Glucose, galactose, fructose
When a molecule is made of more than one sugar units, its called a polymer.
Eg. Cellulose, glycogen
Polymers are usually macro molecules.