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:
give me brainliest :)
Answer:
BB BT
BB BT
50% chance or black cat, 50% chance tabby cat