They are accepted as true until they are proven false. Once a theory has been tested and it is wrong, then it is no longer true.
Answer:
Eukaryotes are organisms whose cells have a nucleus enclosed within membranes, unlike prokaryotes, which have no membrane-bound organelles.
Explanation:
Other organisms such as an autotroph
Because there is oxygen being used, the body can create 32 ATP instead of 2 ATP like in fermentation
