Stem cell research has been a controversial subject in past years. what is the reason for this?
a: cells for study are often taken from human embryos.
b: stem cell techniques will not accomplish the intended purpose.
c: replacement tissue will never be grown from a person's own stem cells.
d: the cells cannot be isolated.

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation:

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.