Answer: predator species would be more sensitive by accumulating toxic material already accumulated in individual prey. It would also depend on different levels of pollution in different niches, so that one species would be more exposed.
Explanation:
Self explanatory
D) The Earth has changed over geologic time. Hope it helps!
Mitosis determines the traits presented in the cluster of cells.
Answer:
B. The ddNTPs lack a 3′ hydroxyl group.
Explanation:
Dideoxynucleotides is a family of inhibitors of the DNA polymerase, its official name is 2',3' dideoxynucleotides but they are commonly called ddNTPs. One of the main characteristics of this compound is the absence of the 3'-hydroxyl group in the deoxyribose, due to the absence of this group, it is impossible to form a phosphodiester bond between nucleotides and the DNA synthesis is stopped.