The third one!
Mitosis makes two identical daughter cells (so both are diploid).
Meiosis makes 4 haploid cells (each with half the chromosomes of the original cells)...these are how the gamete cells (sperm/egg) are made.
Answer:
The bonds are covalent and hydrogen.
~Hoped this helped~
One is straighted the other isnt
Swelling would be least likely.