Answer C. centromere—the region that joins the two sister chromatids
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.........................yes, its true.
1 and 2 are right so A
3 is wrong because bile emulsifies fat not saliva
4 is wrong because teeth breaking up molecule doesn’t change the solubility of a molecule
There are several types of stem cells that can be used for different purposes.
- Embryonic stem cells. Embryonic stem cells come from human embryos that are three to five days old. ...
- Non-embryonic (adult) stem cells. ...
- Induced pluripotent stem cells (iPSCs) ...
- Cord blood stem cells and amniotic fluid stem cells.