1. How does the mRNA leave the nucleus if the nucleus is surrounded by the nuclear envelope?
2. Do cells arise spontaneously? Explain why or why not.
3. What are cellular motors known as? Mitochondria?
4. What are cytoplasm, nucleoplasm, stroma, matrix, and cristae?
5. What are the two types of ER and their functions in the cell?
6. Which organelle is known as the powerhouse of the cell? Chloroplasts?