The answer is absolutely C
there are already many japanese plants, so not the iris. I don't see any water features here and I have no idea what a fence will do. Also I don't see a reason for a spirit gate, so the answer should be a water feature.
No the plant cell has both
During replication, molecule DNA is copied into new identical molecule DNA. According to the complementary rule, adenine will always bind thymine and vice versa while guanine will always bind cytosine and vice versa. So, if the pairing of bases is perfect during the replication, the offspring will have the same sequence of bases in molecule DNA their parents have.