Answer:
MHC Markers
Explanation:
The function of MHC molecules is to display peptide fragments derived from pathogens on the cell surface for recognition by the appropriate T cells.
Option D centrioles helps cells to divide.
Answer:
Researchers have found evidence which suggests that evolution drives animals to become increasingly more complex.
Explanation: i looked this up....
An observation may generate a scientific question, which may lead to a hypothesis. The hypothesis can be tested the experimentation. The results of experimentation lead to changes in scientific knowledge.
