To my opinion the answer is C. Water is an accessible and maintainable resource in the majority of the world. I say this because its definitely not A, or D. It could possibly be B but C gives more information on why so many of the sustainable energy options are water solutions. Hope this helps and that you get the question correct, God bless!
Organs.
if you're having trouble remembering them they are
cell
tissue
organ
organ systems
organism
The correct answer is A, the "promoter" site is the RNA polymerase binding site on a typical gene. This is how the process of gene expression begins. The RNA polymerase (a protein that builds RNA) binds to the promoter site of the DNA strand. It then begins the process of 'transcribing' the DNA code into an RNA strand, which can then be 'translated' into an amino acid chain to form a protein, which is the expression of the gene.
Answer:
undifferentiated; blood
Explanation:
Hematopoietic stem cells are undifferentiated cells that develop into blood cells.
Answer:
The first (A) produces cell that are identical to the original cell.
Explanation:
