The correct answer I believe would be endoplasmic reticulum, because it is not a characteristic of prokaryotes.
High temperatures denature enzymes slowing the reaction but it depends on the tempreture levels it may denature them to stop the reaction if the temp is high enough hope that helps
The endosymbiotic theory hypothesizes that mitochondria and chloroplasts were formed when <u>prokaryotic </u>cells were engulfed by larger cells that were precursors to <u>eukaryotic </u>cells.
prokaryotic ; eukaryotic