2 and 3 are too similar to distinguish because they both are saying it's been back up on several different accounts but 3 seems like a more solid answer go with 3
To answer your question: the nucleus has a membrane.
The discovery of independent DNA (from the host) in mitochondria and chloroplasts supports the endosymbiotic theory.
Answer:
i had the answer and i lost it when i think of it ill come back
Explanation:
