Answer:
The pairing of the nitrogen bases in a DNA molecule is AT and CG. Let's say that the DNA strand has the sequence of ATCG. The complementary strand of that DNA strand will be TAGC. A and T & C and G must pair with each other. The replicated strand will be the same as the original strand because the complementary strand of the replicated strand will be ATCG, which is the same as the original strand.
Explanation:
Water gains energy during evaporation and releases it during condensation.
The answer is fusion of gametes via fertilization.
Because gravity pulls towards the center of the earth evenly in all directions, giving earth a spherical shape.
