Answer:
BRAINLIEST PLZZZ
Explanation:
They play a major role in protein synthesis. They act as the powerhouse for the cell. They are involved in the separation of chromosomes during cell division.
The endosymbiotic hypothesis concerns the origin of mitochondria and chloroplasts, two organelles contained within various eukaryotic cells. According to this hypothesis, these organelles originated as separate prokaryotic organisms that were taken inside a primordial eukaryotic cell.
Ingested nutrients spend at least 12 hours in the small intestine as chemical digestion and absorption are completed.
It is d, a substance that participates in a chemical reaction. You can also tell it just by looking at the stem of the term :)