Answer:
Cell
Explanation:
I'm not 100% what you mean by "building block", but because your subject is biology, I will assume that you mean a cell.
In general, a cell is considered the "building block" of life because everything that is alive is made up of cells.
Hope I helped :)
<span>Aneurysm.
An aneurysm occurs when part of an artery wall weakens, allowing it to widen abnormally or bulge out. The causes of aneurysms are sometimes unknown. Some may be congenital, meaning a person is born with them. An aneurysm may also occur as the result of aortic disease or an injury.</span>
Answer:
Thymine and uracil or adenine have two hydrogen bonds between them, whereas guanine and cytosine have three.
The two closely related are the golden jackal and the gray wolf. Hope this helps have a great day!
I think the correct answer from the choices listed above is option 3. The term that correctly identifies the process by which molecules move through the dialysis tube membrane would be diffusion. <span>The molecules move from a region where they are in high concentration to a region where they are in low concentration.</span>