The answer is B. I hope that this helped.
The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells. In bacteria, which lack a cell nucleus, the cell cycle is divided into the B, C, and D periods. The B period extends from the end of cell division to the beginning of DNA replication.
Tissue typing is a screening process in which cell markers in a donated organ or tissue are identified so that they can be matched to a recipient with similar cell markers. This has become more important in recent years because of the number of organ transplants
B) Embryonic stem cell research requires the use of human embryos. Its an unethical dilemma.
Answer:
B: G, A, T, T, A, C
Explanation:
C is always paired with G
T is always paired with A