B. A b and d are eukaryotic
A mutation can occur in DNA too
Answer:
beak, wings, claws, tail, crown, breasts, nape
Explanation:
The enzyme DNA helicase is responsible for breaking the hydrogen’s bonds between DNA strands during the unwinding of the DNA.
The enzyme DNA polymerase is responsible for “reading” the template stand and adding corresponding nucleotides to replicate the DNA.