for question 1.) i am pretty sure of answer a.)
for question 2.) the answer is most likely b.)
i would recommend waiting for a second opinion. just to be safe.
The function of Mitochondria is in the generation of metabolic energy in eukaryotic cells. Mitochondria are responsible for most of the useful energy derived from carbohydrates and fatty acids. Assembly of Mitochondria thus involves protein encoded by their own genomes and translated within the organelle.
The complementary mRNA strand would be CUGUAAG.
Answer:
Explanation: by interacting with the excretory system
