Answer:
Topoisomerases (red) reduce torsional strain caused by the unwinding of the DNA double helix; DNA helicase (yellow) breaks hydrogen bonds between complementary base-pairs; single-strand binding proteins (SSBs) stabilize the separated strands and prevent them from rejoining .
Explanation:
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The ocean-floor feature is indicated by the arrow in the image and it is a seamount. A seamount is a submarine mountain and it is found on oceanic crust near mid-ocean. It is formed <span>by volcanic activity and the longest seamount would be the New England Seamounts.</span>