Answer:
I think it is the first one
Answer:
The body naturally responds by rejecting the new organ because it is identified as a foreign object. Doctors use tissue typing to measure the compatibility of the antigens in the organ to that of the recipient. Another way doctors make sure the organs are accepted is through immunosuppressants that make the immune system does not attack the organ.
Explanation:
must include:
body rejects transplants because it recognizes them as foreign
lymphocytes attack the new organ
tissue typing measures antigens on tissue donor organ for compatibility
immunosuppressants disrupt the replication process of lymphocytes that produce antibodies and makes the immune system less effective
Answer D. Because the DNA is different
The only exception would be nuclear energy. Heavy elements like Uranium got their stored energy from ancient supernovae, that doesn't come from the sun. And fusing hydrogen is tapping energy that has been around since the Big Bang.
Hope this helped :)
