I think The second step of cellular respiration is the Kreb's cycle and it occurs in mitochondrial matrix.
First step of cellular respiration is glycolysis and it occurs in the cytoplasm of a cell.
I am not really confident about my answer.
If I am wrong please correct me. <span />
The answer is C
because Lithium and sodium belong to the same column.
Answer:
Yes you are right it is the 3rd one ( container for the fertilized egg).