Explanation:
yes the 4th one is right so yes the one you have is right
Nitrogen, oxygen, carbon, hydrogen make up amino acids(subunits of proteins). Some aminoacids have sulfurous in their R group.
yes the bigger the harder to maintain the small the easyer to maintain
If cytokinesis happened first, the chromosomes would not have replicated and the resulting daughter cells wont be the correct ploidy
Its called ptyalin the juice that changes some starches to sugar
