What is the strongest evidence for the idea that present-day eukaryotic aerobes are the descendants of the successful symbiotic association of anaerobes and aerobes?
A. Mitochondria can produce ATP.
B. A mitochondrion can survive indefinitely when removed from a eukaryotic cell.
C. A mitochondrion has its own set of DNA molecules.
D. Fossilized mitochondria are older than the oldest fossilized eukaryotes.
E. All eukaryotic cells have mitochondria.
Answer: C
You might also like to view...
Which of the following eukaryotic recombination proteins is structurally and functionally similar to RecA?
A. Spo11 B. RuvAB C. Rad50 D. Sgs1 E. Dmc1
Radiation therapy is given by external sources only.
a. true b. false
Which of the following is a function of the human urinary system?
A) detoxification of waste products B) elimination of undigested foods C) regulation of water content for body fluids D) production of ammonia
Which of the following is the function of DNA?
A) DNA is responsible for the storage and replication of genetic information. B) DNA serves to hold the information for protein, lipid, and carbohydrate storage. C) DNA is required when cells are using their ribosomes to translate a protein. D) DNA is used structurally to hold the nucleus together. E) DNA is involved in the expression of stored genetic information.