I think the answer is C) R I had this question and that was right for me hope this helps!
Answer:
Most pre-mRNA molecules have sections that are removed from the molecule, called introns, and sections that are linked or together to make the final mRNA, called exons.
Answer:
mitochondria, golgi, ER
Explanation:
These folds have a great advantage for mitochondria as they increase the surface area where chemical reactions occur.
Answer:
Because the green bacteria produced oxygen during photosynthesis, the purple bacteria had a harder time surviving.
Explanation:
Sample Answer
