g The RNA polymerase from bacteriophage T7 differs structurally from prokaryotic and eukaryotic RNAPs and is extremely specific for its own promoter. Why do these properties make T7 RNAP useful in experiments with recombinant DNA

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.