Answer:
Explanation:
They will differ because MHC molecules of the donor may stimulate rejection of the graft tissue as opposed to a receiver rejecting it in an immune response. That is because the MHC molecules are a group of genes that code for proteins found on the surfaces of cells that help the immune system recognize foreign substances and the surfaces are what is being transplanted during a tissue graft, meaning they are the ones that will ultimately reject the tissue graft operation.
Answer;
Primitive streak.
At the onset of the embryonic period, the primitive streak appears. It will eventually become the neural tube.
Explanation;
The primitive streak is a transient structure which forms on day 15 of human development.
It marks the start of gastrulation; the process in which the inner cell mass in converted into the trilaminar embryonic disc.
It originates from the anterior epiblast.
Answer:
True
https://www.easynotecards.com/print_list/94482
<em>Answer:</em>
<em></em>
<em>Rock is a type of Earth material. Most rock is made up of </em><em><u>minerals.</u></em>
<em><u></u></em>
<em>Hope this helps you</em>
The circulatory aids with the immune system because they provide white-blood cells to help fight with the diseases or sicknesses.