Answer:
Mutualism
Explanation:
It's a mutualistic symbiotic relationship! :)
Answer:
Topoisomerase is an enzyme which participates in the unwinding of DNA helix.
Explanation:
During transcription and DNA replication, the DNA needs to be unwound in order for the transcription/replication machinery to gain access to the DNA so it can be copied or replicate, respectively.
Why they go into the sea first, and wjat helps their swimming abilities