Answer is B
a eukaryote is any cell that contains a nucleus
Answer:
When the diaphragm contracts (it's a large flat muscle), it pulls the lungs down this causing expansion which eventually lead to inhalation of air. If it's injured, then that will be affected.
Answer:
four haploid cells.
Explanation:
meiosis is a reduction division where the contents are equally divided in two cells and so the genetic material becomes half.
during mitosis he genetic material doubles first and then the cell divides
but for meiosis the cell divides first and the genetic material replicates later in the second phase of cell division,because two divisions take place in one cycle the result is four cells.
Proton is positive.(+)
Neutron is neutral(0)
Electron is negative(-)
