You're fixation with the bible is getting tiresome....the fact remains, a harvested human embryo is not the same thing as the cells on your arm. If they were, we'd be researching cells on our arms.
They
are researching the cells on our arms: embryonic stem cells are derivable from skin cells. These cells can in turn be developed into embryos. There is no principled difference between harvesting a set of stem cells from a cluster of ~100 skin cells from your nose and another set derived from the ~100 cells of a blastocyst. The two are thus logically equivalent.
Since this is the case, if you think terminating a blastocyst is somehow "wrong" or "killing human life," you logically ought to think scratching your nose is something akin to genocide. Obviously, this is a stupid belief. And thus, it is also a stupid belief in the case of blastocysts.