What are three attributes of mitochondria and chloroplasts that suggest they were once free-living bacteria?

Which of the following five membranes is most likely to have a lipid composition that is distinct from those of the other four?

Which of the following is false?

Which type of cell is most likely to have the largest number of mitochondria?

The mitochondria in a eukaryotic cell .a. serve as the cell's power plants;b. probably evolved from a prokaryotic ancestor;c. can live independently of the eukaryotic cell;d. A and B are correct;e. A, B, and C are correct

In which cell would you find the most mitochondria?a. pancreatic cell that secretes digestive enzymesb. ovarian cell that produces estrogen (a steroid hormone) c. muscle cell in the thigh of a long-distance runner d. white blood cell that engulfs bacteria