The correct answer is that the yolk provides nutrients for the embryo. Hope this helps.
<span>A 3 year old African American girl who has a one month history of loss of appetite andd abdominal pain who has had x-rays that show a mass with multiple calcifications would likely be diagnosed with Nephroblastoma or Wilms Tumor which would likely be associated with Denys-Drash syndrome due to wrist symptoms.</span>
Answer:
In order to change any part of the cell theory, we will have to prove that the cells are not the basic unit of life. We will have to provide evidence that a cell does not distinguish a living thing from a non-living thing. We will either have to prove the spontaneous generation to be true or have to prove that if not cells, then what are the basic units of life. We will also need evidence to prove that a cell does not arise from a pre-existing cell.